dear2 S2 [countable]
used when speaking to someone you love:
How did the interview go, dear?
used by an older person when speaking in a friendly way to someone who is younger:
Can I help you, dear?
Come along, my dear, take a seat.
3 British English spoken
someone who is kind and helpful:
Be a dear and make me a coffee.
4 British English
a fairly rude expression meaning an old woman