Synonyms of dummy

1 Syllable

sub, mock, clod, shams, sham, form

2 Syllables

model, ringer, numbskull, morons, numskull, fathead, shamming, designs, dumbbell, airhead, thickhead, copy, mock-up, pasteup, stupid, gorked, visuals, design, locum, mockup, lame-brain, shamer, spurious, models, stand-in, mocker, dumdum, bogus, jughead, ding-dong, half-wit, moron, nitwit, copier

3 Syllables

mannequins, manikins, mannequin, stupidest, changeling, paste-up, retardo, supplanter, manikin, socalled, retarded, counterfeit, thick-headed, vicarial, figure, statuette

4 Syllables

addlepate, marionette, imitation, fantoccini, substituted, substitute, succedaneum, substituting, figurine, unauthentic, duplicate

5 Syllables

underachieving, substitutive