expression, i-adjective
fickle; capricious; having many romantic interests
Describes a person whose affections or interests shift easily, especially in romantic contexts. Often used critically.
See also: 気の多い
彼は気が多いから、一人の人と長く付き合えない。
He's fickle, so he can't stay with one person for long.
A capricious person changes hobbies all the time.