insubstantial image

19 LETTERS · STARTS WITH I

insubstantial image is a valid 19-letter word worth 23 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1S1U1B3S1T1A1N1T1I1A1L1I1M3A1G2E1

1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 3 + 1 + 2 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does insubstantial image mean?