An insane or eccentric person; a crackpot.
Eccentric behaviour; lunacy; craziness.
Out of control.
Of unsound mind; insane; demented.
In love; experiencing romantic feelings.
Very excited or enthusiastic.
Very unexpected; wildly surprising.
Very, extremely.
Any adjective that is not gradable.
That cannot be graded.
(of an adjective) Describing a quality that cannot normally be varied because it is extreme (e.g. freezing), absolute (e.g. dead), or classification (e.g. nuclear).