What is an intensifier in English?

It is a word that strengthens an adjective, an adverb, or a verb: very quiet, extremely slowly, really hope, absolutely impossible. The choice of intensifier depends on whether the word being strengthened is gradable (a scale) or already complete (an extreme or closed state).

When do I use very and when do I use absolutely?

Use very with gradable adjectives and adverbs: very cold, very slowly, very expensive. Use absolutely with extreme or non-gradable adjectives: absolutely freezing, absolutely delighted, absolutely impossible. If you are not sure which set the adjective belongs to, really is safe with both.

Can I use very with exhausted or boiling?

Avoid it in careful writing and in exams. Exhausted and boiling already sit at the end of their scales, so very has nowhere to go. Say absolutely exhausted and absolutely boiling, or step down to very tired and very hot. Really exhausted is acceptable in speech.

What is the difference between an intensifier and a mitigator?

An intensifier turns the volume up (very quiet, extremely quiet). A mitigator turns it down (fairly quiet, a bit quiet, slightly quiet). They occupy the same slot in front of an adjective but they do opposite jobs. Pretty and quite can face either way, which is why they are easy to misread.

Why is I very like it wrong?

Because very does not intensify verbs. The verb-friendly intensifier is really (I really like it), or absolutely with a small set of verbs (I absolutely agree, I absolutely refuse). Very well is fine, because well is an adverb.

English grammar · Intermediate

Intensifiers: Very, Really, Extremely, and Absolutely

Written by Eleanor Whitfield, Lead English Curriculum Editor · Reviewed September 2026

Intensifiers are words that strengthen an adjective, an adverb, or sometimes a verb: very, really, extremely, absolutely, completely, totally, so. The grammar is a collocation rule. Gradable adjectives (cold, tired, difficult) take very, really, and extremely. Non-gradable and extreme adjectives (freezing, exhausted, impossible) take absolutely, completely, and totally. Really is the one intensifier that sounds natural with both sets. Mitigators such as fairly, rather, a bit, and slightly do the opposite job and have their own pages; this one stays with strengthening.

The instructions were extremely unclear, and the diagram was absolutely useless.

extremely grades a gradable adjective; absolutely grades a closed one

What it is

An intensifier turns the volume up on a word that already has meaning. Very cold is colder than cold; extremely difficult is further along the difficult scale; absolutely impossible is impossible with the speaker's commitment added. English splits its intensifiers by the kind of word they modify. Very and extremely need a scale with room on it, so they pair with gradable adjectives and adverbs. Absolutely, completely, and totally mean all the way, so they pair with adjectives that are already complete. Putting very in front of an extreme adjective (very freezing) and putting absolutely in front of a midpoint adjective (absolutely tired) are the two errors this page is built to stop. Mitigators (fairly, a bit, slightly) turn the volume down and are only mentioned here so they are not confused with this set.

The exam was extremely hard. The exam was absolutely impossible. (Hard is a scale, so extremely. Impossible is a closed state, so absolutely.)

How to spot it

Find an adjective or adverb and look at the word immediately in front of it. If that word answers how much of this quality, it is an intensifier or a mitigator. If the quality can grow (cold, slow, expensive), expect very, really, extremely. If the quality is already complete (freezing, furious, unique), expect absolutely, completely, totally. If the word is fairly, rather, a bit, or slightly, you have left this page and arrived at mitigators.

The suitcase was very heavy. (very plus a gradable adjective)
She spoke extremely quietly. (extremely plus a gradable adverb)
The two stories are completely different. (completely plus a closed-state adjective)
I really enjoyed the second half. (really intensifying a verb)

Enough is not an intensifier in this sense. It follows the adjective (warm enough) and sets a sufficient level rather than turning the volume up. Too goes the other way and marks excess (too warm), which is closer to a mitigator of fit than to very.

Intensifiers Quick Reference

Which intensifier goes with which kind of word

Intensifier	Pairs with	Example
very	gradable adjectives and adverbs	very cold, very slowly, very expensive
extremely / highly	gradable adjectives, often of two or more syllables	extremely difficult, highly unlikely
really	both sets, and verbs	really cold, really exhausted, really like
absolutely	extreme and non-gradable adjectives	absolutely freezing, absolutely delighted, absolutely impossible
completely / totally	closed-state adjectives	completely empty, totally wrong, completely different
utterly	negative extremes	utterly ridiculous, utterly miserable
so	gradable adjectives, with a spoken feel, often plus a that-clause	so tired that I sat down

Common Intensifiers Examples in English

Grouped by what is being strengthened, because the choice of intensifier follows the word it sits in front of:

Turning Up a Gradable Adjective

The waiting room was very quiet.: very plus quiet
The second question was extremely awkward.: extremely plus a longer gradable adjective
The tickets were really expensive this year.: really plus expensive, spoken and standard
It is highly unlikely that the train will wait.: highly plus a collocation it prefers

Very is the default. Extremely is stronger and a little more formal. Highly collates with a small set: likely, unlikely, successful, recommended, unusual.

Matching a Closed or Extreme Adjective

The spare room was absolutely freezing.: absolutely plus an extreme of cold
She was absolutely furious when she saw the bill.: absolutely plus an extreme of angry
The cupboard was completely empty.: completely plus a closed state
That's totally unfair.: totally plus a complete-state reading of unfair

Absolutely is the default with colourful extremes (freezing, furious, delighted, packed). Completely and totally prefer empty, full, different, wrong, and similar all-or-nothing words.

Strengthening Adverbs and Verbs

He drives extremely carefully in fog.: extremely plus a manner adverb
The team played really well in the second half.: really plus well
I really want a second look at the contract.: really plus a verb
We absolutely refuse to sign tonight.: absolutely plus a verb of refusal or agreement

Very does not intensify verbs: I very want is impossible. Use really or absolutely with a verb. Very well is fine because well is an adverb, not a verb.

Spoken Strength: So and Such

I was so tired that I missed my stop.: so plus adjective plus a that-result
It was such a quiet street that we heard the owls.: such plus a plus adjective plus noun
The queue was so long.: so plus adjective, spoken, no that-clause needed
She was so completely lost that she rang the office.: so plus another intensifier, informal stacking

So goes in front of an adjective or adverb; such goes in front of a noun phrase. The pair has its own exercise page. They belong here only as spoken intensifiers, not as the full so / such system.

How Intensifiers Work

Match the intensifier to the kind of scale the adjective has. That one match is the whole system.

Very Needs Room on the Scale

Very, extremely, and highly add a degree, so the adjective has to be gradable: quiet, heavy, difficult, expensive, likely. If the adjective is already at the end of the scale (freezing, exhausted, packed, impossible) or is a closed state (empty, dead, unique), very has nowhere to go and sounds wrong in careful English. Step down to a gradable partner (very cold, very tired) or switch intensifier (absolutely freezing).

The path was very steep. The climb was extremely hard.

steep and hard are scales, so very and extremely fit

If you can say a bit X, you can say very X.

Absolutely Needs a Closed Scale

Absolutely, completely, totally, and utterly mean all the way. They match adjectives that are already complete: absolutely delighted, completely different, totally wrong, utterly ridiculous. In front of a midpoint adjective they sound odd or theatrical: absolutely tired, completely hungry. Upgrade the adjective (absolutely exhausted, absolutely starving) or switch to very.

The hall was absolutely packed. The two plans are completely different.

packed and different are complete, so absolutely and completely fit

If the adjective already means all the way, use absolutely.

Really Works with Both, and with Verbs

Really is the flexible member of the set. It intensifies gradable adjectives (really cold), extreme adjectives (really exhausted), adverbs (really well), and verbs (I really hope so). That range is why it is so common in speech, and why it is the safe choice when you are not sure which set the adjective belongs to. It is slightly less at home in the most formal writing, where extremely and absolutely read as more precise.

The water was really cold. The water was really freezing. I really needed a rest.

really with a gradable adjective, an extreme adjective, and a verb

Unsure? Really is the safe intensifier.

Position Is Tight: Right in Front of the Word You Strengthen

An intensifier sits immediately before the adjective, adverb, or verb it modifies. It does not float to the end of the clause the way some adverbs of possibility do, and it does not sit in front of a noun on its own (a very house is impossible; a very quiet house is the right shape, because very modifies quiet). When several modifiers pile up, the intensifier is closest to the adjective: a really very small mistake is possible in speech but heavy; pick one.

It was an extremely long meeting. She answered really quickly.

extremely before long; really before quickly

Intensifier, then the word it strengthens, nothing in between.

Common Mistakes with Intensifiers

Incorrect: The lake was very freezing at dawn.

Correct: The lake was absolutely freezing at dawn. / The lake was very cold at dawn.

Freezing is already the top of cold, so very has no degree to add. Pair freezing with absolutely, or step down to cold and keep very.

Incorrect: I very enjoyed the concert.

Correct: I really enjoyed the concert.

Very does not intensify verbs. The intensifier that sits in front of a verb is really, or absolutely with a few verbs of refusal and agreement (I absolutely agree).

Incorrect: She was absolutely tired after the delay.

Correct: She was very tired after the delay. / She was absolutely exhausted after the delay.

Absolutely wants a closed or extreme adjective. Tired is gradable, so very tired is the natural pair. If you want absolutely, upgrade the adjective to exhausted.

Incorrect: It was so a difficult exam.

Correct: It was so difficult. / It was such a difficult exam.

So modifies an adjective or adverb, not a noun phrase. To intensify a noun phrase you need such, and the article sits after such: such a difficult exam.

Really, So, and Quite

Three words that look like simple intensifiers and then refuse to stay simple.

Really as the all-purpose choice

Really is safe with gradable adjectives, extreme adjectives, adverbs, and verbs. In speech it often replaces both very and absolutely. In formal writing, prefer the more precise member of the pair (extremely, absolutely) once you know which set the adjective belongs to.

The water is really cold.: gradable, spoken very
I'm really exhausted.: extreme, spoken absolutely
I really don't mind waiting.: really plus a negative verb phrase

Real as an adjective (a real problem) is a different word. The adverb is really, with -ly.

So plus adjective, such plus noun

So intensifies an adjective or adverb and often leads into a that-clause of result: so cold that the pipes froze. Such intensifies a whole noun phrase: such a cold night that the pipes froze. So cannot sit directly in front of a noun (so a cold night is impossible).

The bag was so heavy that the strap snapped.: so plus adjective plus that
It was such a heavy bag that the strap snapped.: such plus a plus adjective plus noun
She spoke so quietly that we missed the name.: so plus adverb

The so / such page drills the pair with exercises. Here they are only the spoken intensifying use.

Quite: two readings

With a gradable adjective in British English, quite often means fairly, a mitigator: quite cold, quite tired. With a non-gradable adjective it means completely, an intensifier: quite impossible, quite right, quite delicious. American English uses quite as a stronger intensifier more often (quite cold can mean very cold). If the sentence would confuse a reader, replace quite with fairly or with completely.

The water is quite cold.: in british english, fairly cold
You are quite right.: completely right, both varieties
That's quite impossible in the time we have.: quite as completely with a closed adjective

Because quite faces both ways, it is a poor choice when the adjective's set is unclear. Very and absolutely do not have this split.

Quick Check: Intensifiers

Choose very, really, extremely, or absolutely (or so / such) so that the intensifier matches the adjective or verb.

1. The instructions were ___ unclear. (gradable)

Answer: very / extremely / really

unclear is a scale

2. The two versions are ___ different. (closed state)

Answer: completely / totally / absolutely

different is all-or-nothing here

3. I ___ need a glass of water. (verb)

Answer: really

very cannot intensify a verb

4. It was ___ a steep path that we stopped halfway. (so / such)

Answer: such

such plus a plus adjective plus noun

5. The path was ___ steep that we stopped halfway. (so / such)

Answer: so

so plus adjective plus that

6. She was ___ delighted with the result. (extreme adjective)

Answer: absolutely / really

delighted is extreme, so not very

Intensifiers FAQs

What is an intensifier in English?: It is a word that strengthens an adjective, an adverb, or a verb: very quiet, extremely slowly, really hope, absolutely impossible. The choice of intensifier depends on whether the word being strengthened is gradable (a scale) or already complete (an extreme or closed state).
When do I use very and when do I use absolutely?: Use very with gradable adjectives and adverbs: very cold, very slowly, very expensive. Use absolutely with extreme or non-gradable adjectives: absolutely freezing, absolutely delighted, absolutely impossible. If you are not sure which set the adjective belongs to, really is safe with both.
Can I use very with exhausted or boiling?: Avoid it in careful writing and in exams. Exhausted and boiling already sit at the end of their scales, so very has nowhere to go. Say absolutely exhausted and absolutely boiling, or step down to very tired and very hot. Really exhausted is acceptable in speech.
What is the difference between an intensifier and a mitigator?: An intensifier turns the volume up (very quiet, extremely quiet). A mitigator turns it down (fairly quiet, a bit quiet, slightly quiet). They occupy the same slot in front of an adjective but they do opposite jobs. Pretty and quite can face either way, which is why they are easy to misread.
Why is I very like it wrong?: Because very does not intensify verbs. The verb-friendly intensifier is really (I really like it), or absolutely with a small set of verbs (I absolutely agree, I absolutely refuse). Very well is fine, because well is an adverb.