ひつようあく
Meanings
Noun
1. necessary evil
Kanji used
certainly
needed
bad
Pitch accent
つよ
うあく
Top 43700
Composed of
necessary; needed; essential; necessity; need; requirement
evil; wickedness; (role of) the villain (in theatre, etc.); the bad guy
Examples (1 in total)
Personally, I think that corporal punishment is a necessary evil.