tamper with

11 LETTERS · STARTS WITH T

tamper with is a valid 11-letter word worth 20 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1A1M3P3E1R1W4I1T1H4

1 + 1 + 3 + 3 + 1 + 1 + 0 + 4 + 1 + 1 + 4 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does tamper with mean?