unwritten law

NOUN
13 LETTERS · 3 SYLLABLES · STARTS WITH U

unwritten law is a valid 13-letter word worth 18 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
U1N1W4R1I1T1T1E1N1L1A1W4
1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 4 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does unwritten law mean?

NOUN · 1 SENSE
1

Law based on customary behavior.