insane asylum

NOUN /ɪn'seɪn_ə'saɪləm/
13 LETTERS · STARTS WITH I

insane asylum is a valid 13-letter word worth 17 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1S1A1N1E1A1S1Y4L1U1M3
1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 4 + 1 + 1 + 3 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does insane asylum mean?