Unusual; odd; eccentric — describes something or someone that is a bit different from the norm.
彼は少し風変わりな趣味を持っているが、嫌な人ではない。
He has somewhat eccentric tastes, but he's not an unpleasant person.
その町には風変わりな店が多く、観光客に人気だ。
That town has many quirky shops and is popular with tourists.
風変わりなアイデアが逆にヒット商品を生んだ。
A quirky idea unexpectedly became a hit product.