dead giveaway

13 LETTERS · STARTS WITH D

dead giveaway is a valid 13-letter word worth 24 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2E1A1D2G2I1V4E1A1W4A1Y4

2 + 1 + 1 + 2 + 0 + 2 + 1 + 4 + 1 + 1 + 4 + 1 + 4 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does dead giveaway mean?