nondiagrammatic

15 LETTERS · 6 SYLLABLES · STARTS WITH N

nondiagrammatic is a valid 15-letter word worth 23 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1N1D2I1A1G2R1A1M3M3A1T1I1C3

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

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does nondiagrammatic mean?