unusual or unexpected in a way that attracts your interest or attentionHarry’s behaviour did seem a little odd.
His paintings are a rather odd mixture of German and British influences.
it is odd (that): It’s very odd that he hasn’t sent you a birthday present.
strike someone as odd (=make someone think that something is unexpected): It struck me as odd that there was no reply to my letter.
odd-sounding: an odd-sounding name
odd-looking: The children were very odd-looking in their costumes.
the odd thing is (that) (=it is unexpected that): But the odd thing was that I didn’t feel guilty.
that’s odd: That’s odd, I thought I left my coat on the chair.