(dated) A silent person; a person who does not talk. / A stupid person. / A figure of a person or animal used by a ventriloquist; a puppet.

To make a mock-up or prototype version of something, without some or all off its intended functionality. / (sports) To feint.

(slang) Extremely.

present participle of dummy

(grammar) The pronoun "it" used without any referent, serving only to satisfy rules of syntax.

plural of dummy

Third-person singular simple present indicative form of dummy

simple past tense and past participle of dummy

(colloquial) The quality of being silly or foolish. / (archaic) A disease in horses, characterised by immobility and a hanging position of the head, the result of acute encephalitis.

(colloquial, often used in titles) Intended for a lay audience, simplified.