No. It is a contraction of a verb and a negative adverb. It means "has not."
Hasn't is actually an adjective (describing word) because it describes what someone has done eg: she hasn't done her work.
it hasnt
hasnt
He hasnt.
he hasnt
it hasnt
he hasnt
it hasnt
she hasnt yet ;)
No he hasnt.
it hasnt
no she hasnt