Phrase guide

dummy up

verb · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

verb

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Examples

  • The carpenters dummied up a set of simple props for the rehearsals.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

verb

Meaning 2

To make a fake version of something; to make a counterfeit.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To suddenly stop talking; shut up; to keep a secret; to refuse to talk.

Definition source: English Wiktionary via Wiktextract

Usage: imperative, informal, sometimes

Examples

  • When he couldn't think of any more good lies, he just dummied up.
  • Everyone was discussing the new teacher, but when she entered the room they all dummied up.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

refuse to talk or stop talking; fall silent

Definition source: Princeton WordNet 3.0

Examples

  • The children shut up when their father approached

Meaning relationships

Synonyms: close up, clam up, shut up, belt up, button up, be quiet, keep mum

Antonyms: none provided

5

verb

Meaning 5

make a dummy of

Definition source: Princeton WordNet 3.0

Examples

  • dummy up the books that are to be published

Meaning relationships

Synonyms: dummy

Antonyms: none provided

Broader terms: produce, make, create

History

Etymology

No etymology was provided for this word.