What does 快活 mean?
快活 is a Japanese adjective meaning “cheerful; lively; lighthearted” in English. It is written as 快活 in kanji, かいかつ in hiragana, and kaikatsu in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
彼は彼女を快活な性格だとみなした。
He characterized her as lively.