infinitive phrase

17 LETTERS · STARTS WITH I

infinitive phrase is a valid 17-letter word worth 27 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1F4I1N1I1T1I1V4E1P3H4R1A1S1E1

1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 0 + 3 + 4 + 1 + 1 + 1 + 1 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does infinitive phrase mean?