improper suggestion

19 LETTERS · STARTS WITH I

improper suggestion is a valid 19-letter word worth 26 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1M3P3R1O1P3E1R1S1U1G2G2E1S1T1I1O1N1

1 + 3 + 3 + 1 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 2 + 2 + 1 + 1 + 1 + 1 + 1 + 1 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does improper suggestion mean?