Strange or odd in appearance or atmosphere; peculiar and sometimes unsettling.
その会議で彼だけが異様な笑い方をしていた。
He alone at the meeting had a strange way of laughing.
夜の駅はいつもと違って異様な静けさに包まれていた。
The station at night was wrapped in an unusual, eerie silence.
彼の説明はどこか異様で、みんな首をかしげた。
His explanation was somehow odd, and everyone tilted their heads in puzzlement.