nonsubstitutional

17 LETTERS · 6 SYLLABLES · STARTS WITH N

nonsubstitutional is a valid 17-letter word worth 19 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1N1S1U1B3S1T1I1T1U1T1I1O1N1A1L1

1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does nonsubstitutional mean?