Part of speech:
An unintentional revelation or betrayal
Revealing something not intended to be known
Find another word for dead-giveaway. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for dead-giveaway, like: betrayal, communication leak, exposure of secret, giveaway, leak, obvious clue, telltale, telltale sign and unwitting disclosure.