Verb (5-dan, る, transitive)
1. to apologize (apologise)
あなたが謝る必要なんてないのよ。You don't need to apologize at all.
2. to refuse; to decline
Verb (5-dan, る, intransitive)
Old-fashioned
3. to be unable to bear; to be defeated (by); to be at a loss; to be stumped (by)