dumb
//dʌm//
Adjective
dumbCanonical form
dumberComparative
dumbestSuperlative
1
Unable to speak; lacking the power of speech.
He was born deaf and dumb.
2
Temporarily speechless, as from shock or astonishment.
She was struck dumb by the terrible news.
3
Stupid or foolish; lacking intelligence or good judgment.
That was a dumb mistake.