retroactivity

13 LETTERS · STARTS WITH R

retroactivity is a valid 13-letter word worth 21 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1E1T1R1O1A1C3T1I1V4I1T1Y4
1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 1 + 4 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does retroactivity mean?

1

A valid word accepted in tournament Scrabble and Words With Friends play.