striking alteration

19 LETTERS · STARTS WITH S

striking alteration is a valid 19-letter word worth 23 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1T1R1I1K5I1N1G2A1L1T1E1R1A1T1I1O1N1

1 + 1 + 1 + 1 + 5 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does striking alteration mean?