Spanish vocabulary · Beginner
How to Say Bad in Spanish
Malo · adjective · MAH-loh
The Spanish word for bad is 'malo,' one of the most essential adjectives in the language. Malo shortens to 'mal' when placed before a masculine singular noun (un mal día) and changes to 'mala' for feminine nouns (una mala idea). Understanding when to use malo versus mal is a key step for beginners.
Malo is pronounced MAH-loh with the stress on the first syllable. The shortened form 'mal' is a single syllable pronounced MAHL.
La comida del restaurante estaba muy mala.
The restaurant's food was very bad.
bad in Spanish: Quick Reference
Below are the most common Spanish words for bad, with pronunciation and regional usage notes.
| Spanish | English | Pronunciation | Region / Register |
|---|---|---|---|
| malo | bad | MAH-loh | Default, widely understood |
| mal | bad | shortened form used before masculine singular nouns or as an adverb | |
| mala | bad | feminine form |
How Native Speakers Use Malo
Real example sentences across three contexts you'll actually run into.
Describing quality
Esta película es mala; no la recomiendo.
This movie is bad; I don't recommend it.
Using the feminine form to agree with 'película.'
Before a noun (apocopation)
Hoy fue un mal día en el trabajo.
Today was a bad day at work.
Malo shortens to 'mal' before masculine singular nouns.
Health context
Me siento mal desde ayer por la noche.
I've been feeling bad since last night.
Mal functions as an adverb when describing how you feel.
Avoid These Mistakes When Using Malo
Apocopation error
Incorrect: Es un malo día.
Correct: Es un mal día.
Before a masculine singular noun, 'malo' shortens to 'mal.' You would only use the full 'malo' after the noun or with estar.
Ser vs. estar confusion
Incorrect: La sopa está mala. (meaning it's a bad recipe)
Correct: La sopa es mala.
Use 'ser' to describe inherent quality (the recipe is bad). Use 'estar' to describe a current state (the soup has gone bad/spoiled).
Lock in bad Vocabulary with the Parrot Method
Why word lists alone don't stick
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See Malo used by native speakers
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Common Questions About bad in Spanish
- When do you use mal instead of malo?
- Mal replaces malo in two situations: before a masculine singular noun as an adjective (un mal momento) and when functioning as an adverb to describe how an action is done (canta mal — he sings badly).
- What is the opposite of malo in Spanish?
- The opposite is 'bueno' (good), which similarly shortens to 'buen' before masculine singular nouns — 'un buen día' mirrors the pattern of 'un mal día.'
- How do you say 'very bad' in Spanish?
- The most common ways are 'muy malo' (very bad), 'malísimo' (superlative form meaning terrible), or 'pésimo' (dreadful), with each escalating in intensity.