Historically, the word dumb meant that a person could not speak.
that is dumb
you know the word evaluation is a dumb word?
intact is a dumb word
you are dumb if you do not know
marriage is dumb
She felt dumb for forgetting her friend's birthday.
i uncertainly think that you are a bit dumb by looking for this in a sentence
i feat my dog DONT BE DUMB
you guys are dumb.
you just used it. and i thought i was dumb!
It's dumb and stupid that what it is
Your hopeless because you don't know how to use hopeless in a sentence dumb arcsh.