imperfect knowledge

19 LETTERS · STARTS WITH I

imperfect knowledge is a valid 19-letter word worth 36 points in Scrabble and 42 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1M3P3E1R1F4E1C3T1K5N1O1W4L1E1D2G2E1

1 + 3 + 3 + 1 + 1 + 4 + 1 + 3 + 1 + 0 + 5 + 1 + 1 + 4 + 1 + 1 + 2 + 2 + 1 =36 PTS

DOUBLE WORD → 72TRIPLE WORD → 108

MEANING

What does imperfect knowledge mean?