► 動詞
甘える [あまえる] meaning: childish rank: 1
☆ 子供が親に甘えるのは普通のことだ ⇨ It is normal that children expect parents to pamper them
子供染みる [(5)こどもじみる] meaning: childish rank: 4
☆ 彼の子供じみた態度 ⇨ His childish behavior
► 形容詞
子供っぽい [(5)こどもっぽい] meaning: childish rank: 2
☆ 彼女は15才なのに未だに子供っぽい ⇨ She is 15 but still like a child
大人気無い [(5)おとなげない] meaning: childish rank: 3
☆ そんな程度のことで怒るなんて大人気無いんじゃない？ ⇨ Isn’t it childish to get angry over something like that? (☛ Unbecoming of an adult)
餓鬼っぽい [(4)がきっぽい] [coll] [contempt] meaning: childish rank: 3
☆ ガキっぽい映画 ⇨ A childish, juvenile, cheesy, movie
幼稚っぽい [(5)ようちっぽい] [coll] meaning: childish rank: 3
☆ あの映画は幼稚っぽくって面白くない ⇨ The movie is childish and not very interesting
► 形容動詞
幼稚 [ようち] meaning: childish rank: 2
☆ 幼稚な映画 ⇨ A childish movie
☆ 彼の幼稚な議論には馬鹿らしくなる ⇨ I get tired of his childish arguments