Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “brainless”

brainless

adjective    /ˈbreɪn·ləs/
stupid or thoughtless : That was a brainless thing to do!
(Definition of brainless adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of brainless

Definitions of “brainless” in other dictionaries

Translations of “brainless”

Word of the Day

tie the knot

to get married

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More