Noun The seeds must have been duds because the plants never grew. She put on her new duds for the party. Examples are automatically compiled from online sources to show current usage. Read More.

DUD definition: 1. something that has no value or that does not work: 2. not working or not having any value: 3…. Learn more.

1. imitation, copy, reproduction, hoax, forgery, phoney or phony (informal) The mine was a dud. 2. failure, flop (informal), washout (informal), clinker (slang, chiefly U.S.), clunker (informal) He's been a …

Nov 28, 2025 · dud (plural duds) (informal) A device or machine that is useless because it does not work properly or has failed to work, such as a bomb, or explosive projectile. quotations

DUD definition: a device, person, or enterprise that proves to be a failure. See examples of dud used in a sentence.

Definition of dud noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

dud (dud), n. a device, person, or enterprise that proves to be a failure. Military a shell or missile that fails to explode after being fired.

Dud comes from dudde, an early English word that means "cloak" or "mantle." How did the word's meaning change from "cloak" to "something that does not work well"? By the 1500s, "dud" had the …

Dud means not working properly or not successful. He replaced a dud valve. 4 meanings: 1. a person or thing that proves ineffectual or a failure 2. a shell, etc, that fails to explode 3. old-fashioned.... Click …

Dud definition: A bomb, shell, or explosive round that fails to detonate.