noun

dummy

mannequin, dummy, pacifier, idiot

The store uses dummies to display clothes.

The shop uses dummies to display clothes.

They used a dummy for the crash test.

They used a dummy for the crash test.

The baby stopped crying with the pacifier.

The baby stopped crying with the dummy.

Don't be such a dummy!

Don't be such a dummy!

a dummy (model) a model of a person They used a dummy for the crash test.

a dummy (insult) a stupid person Don't be such a dummy!

Synonyms: mannequin, model, replica, fool, idiot

From Middle English 'dom' or 'dum,' meaning mute or silent, like a person who cannot speak.

Think of a 'dumb' or silent person, which is what a mannequin is. This also connects to the insult.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.