What does スマート mean?
スマート is a Japanese noun meaning “smart, stylish, slim” in English. It can also be translated as “slim, skilful” depending on context. It is written as スマート in katakana, and sumaato in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
あんなドレスが着られたらいいんだけど。もっとスマートにならなくちゃ。
I'd love to be able to wear a dress like that. But I'll have to lose some weight first.