boyish
adj. B2 Upper Intermediate US //ˈbɔɪɪʃ// UK //bˈɔɪɪʃ// boy·ish
adj. having qualities that are usually associated with boys or young men. It can describe a person's looks, behavior, or a style that is simple and not too formal.
adj. possessing characteristics, features, or a style typically associated with boys or young males. Often used to describe a youthful, unassuming, or slightly masculine appearance or demeanor.
He has a boyish smile that makes him look younger.
She wore a boyish haircut and oversized clothes to keep a casual, relaxed look for the weekend.
The actor's boyish charm was a significant factor in his early success, as it allowed him to play a wide range of youthful roles with ease and authenticity.
From boy + -ish.