inapt

adj. /ɪnˈæpt/ C2

不恰当的；不适宜的

Not suitable or appropriate for a particular situation.

仙境例句

Calling a Caterpillar “Sir” seemed inapt to Alice, but she could think of no better name.

爱丽丝觉得管一条毛毛虫叫“先生”不太恰当，可她又想不出更好的叫法。