insist upon

11 LETTERS · STARTS WITH I

insist upon is a valid 11-letter word worth 12 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1S1I1S1T1U1P3O1N1

1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 3 + 1 + 1 =12 PTS

DOUBLE WORD → 24TRIPLE WORD → 36

MEANING

What does insist upon mean?