Did you know?

Click any word in a definition or example to find the entry for that word

dumb

 - definition
 
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
adjective dumb pronunciation in American English /dʌm/ 
Word Forms
Close
adjectivedumb
comparativedumber
superlativedumbest
  1. 1
    informal stupid

    She's so dumb she can't even figure out her answering machine.

    You gave him your phone number? That was a dumb thing to do.

  2. 2
    mainly literary temporarily unable or unwilling to speak, especially because you are very shocked

    Some of the passengers were dumb with terror.

    be struck dumb:

    I was struck dumb by the clerk's rudeness.

phrase

derived word

dumbly

adverb

pre-roll

a video advertisement that appears immediately before an online video

BuzzWord Article

Open Dictionary

breakfast rave

a rave … that takes place early in the morning and where there is no alcohol or drugs …

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog