willy-nilly

ADVERB /,wɪli'nɪli/
11 LETTERS · 3 SYLLABLES · STARTS WITH W

willy-nilly is a valid 11-letter word worth 19 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
W4I1L1L1Y4-0N1I1L1L1Y4
4 + 1 + 1 + 1 + 4 + 0 + 1 + 1 + 1 + 1 + 4 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does willy-nilly mean?