What does 似合い mean?
似合い is a Japanese adjective meaning “well-matched (esp. of a couple); becoming; suitable” in English. It is written as 似合い in kanji, にあい in hiragana, and niai in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
ピーターとエバは似合いのカップルだ。
Peter and Eve make a handsome couple.