puerile
01
子供っぽい, 幼稚な
relating, characteristic of, or suitable for a child
例
The puerile antics of the toddlers entertained their parents during the playdate.
幼児の子供っぽいふざけが、プレイデート中に両親を楽しませた。
02
幼稚な, 未熟な
behaving in such a manner that displays one's lack of maturity and common sense
例
His puerile jokes were inappropriate for the serious meeting.
彼の子供っぽい冗談は真剣な会議には不適切でした。
