How to say "immoral" in Japanese

• 極道ごくどうCommon
  na-adjective, nounCovers 'immoral' in the sense of wicked or profligate: a dissolute way of life outside accepted morality. Typical context: describing a person who lives by vice and crime, outside respectable society.
• 不潔ふけつJLPT N2approx.Common
  na-adjective, nounCovers 'immoral' as morally dirty rather than wicked: indecent or obscene, tainted with impurity. Typical context: calling money or a story dirty in a moral sense.

Choose 極道 for 'immoral' describing a wicked, profligate way of life, and 不潔 for 'immoral' meaning morally dirty — indecent or obscene, as with dirty money or dirty stories.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 極道ごくどうwicked
• アンモラルimmoral
• 道ならぬみちならぬimmoral
• インモラルimmoral
• 非道徳的ひどうとくてきimmoral
• 背徳的はいとくてきimmoral
• 罪深いつみぶかいsinful
• ダーティーdirty
• 無道むどうinhuman
• ふしだらloose
• 反社会的はんしゃかいてきantisocial
• 乱倫らんりん(sexually) immoral
• 不潔ふけつindecent