Unusual; strange; peculiar—different from the norm. Commonly used in spoken Japanese to describe people, things, or situations that stand out.
あの人はちょっと変わった服装をしているね。
That person is dressed a bit unusually, isn't he?
変わった趣味を持っている友達がいる。
I have a friend with an unusual hobby.
今日は変わった天気で、急に晴れて急に雨が降った。
The weather was strange today—suddenly sunny, then suddenly raining.