— insanely , adv. — insaneness , n.
/in sayn"/ , adj.
1. not sane; not of sound mind; mentally deranged.
2. of, pertaining to, or characteristic of a person who is mentally deranged: insane actions; an insane asylum.
3. utterly senseless: an insane plan.
[ 1550-60; insanus. See IN- 3 , SANE ]
Syn. 1. demented; lunatic, crazed, crazy; maniacal. 3. foolish, irrational. See mad .