望ましくない

(1)not worthy of being chosen (especially as a spouse)

(2)選ばれる価値がない（特に配偶者として）

(3)not wanted; "undesirable impurities in steel"; "legislation excluding undesirable aliens";"removed the unwanted vegetation"

(4)不要

(1)undesirable impurities in steel

(2)鉄鋼の望ましくない不純物

(3)legislation excluding undesirable aliens

(4)やっかいな外国人を除いた法律

(5)removed the unwanted vegetation

(6)不必要な植物を取除いた