Bizarre
Peculiar, Strange, Odd
な adjective
That's very odd and strange, making it bizarre and peculiar.
奇妙 is often used in literature to describe something that feels unusually strange or odd. It describes something being an almost otherworldly quality, sparking curiosity because it's so bizarre.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
『世にも奇妙な物語』っていう番組、知ってる？
Do you know the show called "Tales of the Unusual"?
私の好きなマンガは『ジョジョの奇妙な冒険』です。
My favorite manga is "JoJo's Bizarre Adventure".
遠くから聞こえてくる足音には、奇妙な規則性があり、それがかえって不気味だった。
The distant footsteps carried a peculiar rhythm, which only added to their eerie nature.