Japanese deck
幼稚
adjective·n2

よう

Childish; immature

かれよう

それはよう

dictionary幼稚だyouchi da
is childish
negative幼稚ではないyouchi de wa nai
is not childish
past幼稚だったyouchi datta
was childish
past negative幼稚ではなかったyouchi de wa nakatta
was not childish
te form幼稚でyouchi de
and/being childish
adverb幼稚にyouchi ni
childishly