Factsheet What does the word dumb mean? There are 28 meanings listed in OED's entry for the word dumb, one of which is labelled obsolete, and four of which are considered offensive and derogatory. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Context Explanation

dumb, adj., n., & adv. meanings, etymology and more | Oxford English ... stupid, dull, dense, crass, dumb mean lacking in power to absorb ideas or impressions. stupid implies a slow-witted or dazed state of mind that may be either congenital or temporary.

Insight Material

DUMB definition: lacking intelligence or good judgment; stupid; dull-witted. See examples of dumb used in a sentence. Don’t say anything – just act / play dumb (= pretend to be stupid or not to know something). If you call a person dumb, you mean that they are stupid or foolish. I've met a lot of dumb people.

Final Conclusion

The questions were set up to make her look dumb. If you say that something is dumb, you think that it is silly and annoying. I came up with this dumb idea. Something that is dumb is done or expressed without words. I'm not dumb enough to believe that. It was a dumb idea in the first place.

He just stood there with a dumb grin on his face. Definition of dumb adjective from the Oxford Advanced Learner's Dictionary. (especially North American English, informal) stupid. That was a pretty dumb thing to do.