dumb
[adjective]
Synonyms:
- mute, mum, silent, soundless, speechless, tongue-tied, voiceless, wordless
- stupid, asinine, dense, dim-witted (informal), dull, foolish, thick, unintelligent

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Antonyms: articulate
Contrasted words: speaking, talking, talkative, verbose
Related Idioms: dumb as an ox
Related Words: incoherent, indistinct, maundering, tongue-tied

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English Thesaurus: stupid, silly, daft, dumb, foolish, ...

[TahlilGaran] English Synonym Dictionary ▲

I. dumb¹ S3 /dʌm/ adjective
[Language: Old English]

1. informal stupid:
What a dumb question.
a bunch of dumb kids
‘What is it?’ I asked, playing dumb (=pretending to be stupid).
She’s no dumb blonde (=a pretty woman with blonde hair who seems stupid).

2. unable to speak, because you are angry, surprised, shocked etc:
He stared at the burnt-out car in dumb disbelief.
She was struck dumb with terror.

3. old-fashioned someone who is dumb is not able to speak at all. Many people think that this use is offensive ⇒ mute ⇒ deaf and dumb at deaf(1)

4. dumb luck informal something good that happens in an unexpected way, especially when it is not deserved:
It was just dumb luck that we found the place at all.

5. dumb animals/creatures used to talk about animals when you want to emphasize that humans often treat them badly and they cannot protect themselves
—dumbly adverb:
For a few seconds she gazed dumbly at him.
—dumbness noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲

II. dumb² verb
dumb something ↔ down
to present news or information in a simple and attractive way without many details so that everyone can understand it – used to show disapproval:
Have history textbooks been dumbed down over the past decade?
—dumbing down noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲

dumb
adj.
I. unable to speak
VERBS be | become, be struck They were struck dumb by some sort of shock.
PREP. with She sat there, dumb with rage.
PHRASES deaf and dumb

[TahlilGaran] Collocations Dictionary ▲

dumb
II. stupid
VERBS be, feel, look, seem, sound I'm sure my question sounded really dumb.
act, play I decided to act dumb.
ADV. really, very | pretty, rather

[TahlilGaran] Collocations Dictionary ▲

stupid showing a total lack of good sense or good judgment. Stupid sounds very strong and is often used when you are annoyed or strongly criticizing someone’s behaviour:
I wish you’d stop asking stupid questions.
It was stupid of me to leave the door unlocked.
Well, if you’re stupid enough to skate on the lake, you deserve to fall in.
silly doing or saying things that are not sensible or serious, and that may make you feel embarrassed later. Silly sounds much gentler than stupid:
a silly mistake
Don’t be so silly! There’s nothing wrong with you.
I think you’re silly to worry so much about your hair.
daft informal not sensible, often in a way that is also amusing:
Is this another of your daft ideas?
Don’t be daft! Of course you’re not too old to go clubbing.
dumb informal especially American English stupid:
a dumb question
He was dumb enough to believe her.
Oh, I just did the dumbest thing back there, I forgot my purse.
foolish stupid. Foolish sounds rather formal and is used mainly in written English. The usual words to use in everyday English are silly or stupid:
It was a foolish thing to say.
They did not want to look foolish.
It was all a foolish dream.
I think the board of directors made a foolish choice that it will later regret.
unwise formal done without thinking carefully enough about the possible disadvantages that may result:
She knew the marriage was unwise.
an unwise choice of words
It would be very unwise to speculate.
brave British English often humorous used when you think that what someone is planning or suggesting is certain to fail, but you do not want to say directly that they are behaving in a stupid way:
The leader of the opposition described it as ‘a brave decision.’
I think he’s being very brave.
crazy not at all sensible or reasonable – used when you are very surprised by someone’s behaviour or what they have said:
Ian’s got some crazy plan to drive across Africa.
She looked at me as if I was crazy!
You’re crazy to think of hitch-hiking on your own.
ridiculous extremely stupid:
You look ridiculous in that hat.
Some people spend a ridiculous amount of money on cars.
It’s absolutely ridiculous to suggest that he would do something like that.
absurd/ludicrous extremely stupid – used especially when an idea or situation seems strange or illogical:
How can a return ticket cost less than a single? It’s totally absurd!
It was a ludicrous idea.
Some of the objections to the theory are simply absurd.
laughable so stupid that you cannot believe someone is telling the truth or being serious:
The accusations were almost laughable.
a laughable suggestion
It would be laughable if it wasn’t so serious.

[TahlilGaran] English Thesaurus ▲