bad - definition in the American English Dictionary - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “bad”

See all translations

bad

adjective  us   /bæd/ (comparative worse  /wɜrs/ , superlative worst  /wɜrst/ )

bad adjective (UNPLEASANT)

not good; disappointing or unpleasant, or causing difficulties or harm: We heard the bad news about Dorothy’s illness. Flights were delayed because of bad weather. Too much salt is bad for you (= has a harmful effect on your health). Bad can also mean serious or severe: a bad accident/storm

bad adjective (LOW QUALITY)

of very low quality; not acceptable: bad manners We thought the hotel was bad and the food was terrible. That was one of the worst movies I’ve ever seen.

bad adjective (EVIL)

(of people or actions) evil or morally unacceptable: He’s not a bad person.

bad adjective (UNHEALTHY)

(of a person) ill or not well, or (of an illness) serious or severe: a bad back/heart a bad cough bad health He’s in really bad shape. He’s got bad arthritis and can hardly walk.
(Definition of bad from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of bad?
Add Cambridge dictionaries to your browser to your website

Definitions of “bad” in other dictionaries

Word of the Day

cup tie

a game between two teams trying to win a cup (= prize), especially in football

Word of the Day

What’s All The Commotion About? (Words to describe sounds)

by Kate Woodford,
May 20, 2015
​​​ In this post we look at a range of words and phrases that we use to describe noise and the absence of noise. Starting with complete quiet, we sometimes use the noun hush to describe silence: A hush fell over the room as the bride walked in./There was a deathly hush (=complete

Read More 

plyscraper noun

May 18, 2015
a skyscraper made mainly from wood The development of engineered timber could herald a new era of eco-friendly ‘plyscrapers’. Christchurch welcomed its first multistorey timber structure this year, there are plans for Vancouver, and the talk is China could follow

Read More