'dead giveaway' definitions:
Synonyms of 'dead giveaway'
From: Moby Thesaurus
- babbling,
- betrayal,
- blabbering,
- blabbing,
- communication leak,
- divulgation,
- divulgement,
- divulgence,
- divulging,
- evulgation,
- giveaway,
- indiscretion,
- leak,
- letting out,
- obvious clue,
- telltale,
- telltale sign,
- unwitting disclosure