noun
Meaning 1
A giveaway that is especially obvious, especially ruinous, or both, disclosing, usually unintentionally, a fact or an intention.
Definition source: English Wiktionary via Wiktextract
Usage: idiomatic
Examples
- That disguise is a dead giveaway! Choose something less obvious.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: giveaway, clue, indicator, sign, tell