Definition of dead giveaway
: something that shows (the truth about something) clearly The camera is a dead giveaway that you're a tourist.
Word by Word Definitions
: deprived of life : no longer alive
: having the appearance of death : deathly
: lacking power to move, feel, or respond : numb
: someone who is no longer alive : one that is dead (see 1dead 1)
: the state of being dead
: the time of greatest quiet
: absolutely, utterly
: suddenly and completely
Seen and Heard
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