Godan verb with 'mu' ending, Intransitive verb
to spring; to bound; to bounce
ボールははずんで塀を飛び越えた。The ball bounced over the wall. to be stimulated; to be encouraged; to get lively
Godan verb with 'mu' ending, Transitive verb
to pay handsomely; to splurge; to part eagerly with (money, etc.)
Godan verb with 'mu' ending, Intransitive verb
to breathe hard; to pant; to be out of breath
Also written 勢む【はずむ】