Copyright © 2026 Kotomora. All Rights Reserved.
不当 (ふとう) Japanese meaning | Kotomora
Common word JLPT N1 Freq. Frequency Top 10,000 Meanings 1
na-adjective, noun
unfair ; unjust ; unreasonable
Describes actions, decisions, treatment, or demands that lack fairness, justice, or reasonable grounds. Often used in legal, social, and everyday contexts.
よう
求きゅう
は
不ふ
当とう
だ
と
思おも
う
。
I think that demand is unreasonable.
Written forms 不ふ 当とう Usage 100%
Standard kanji spelling; the word is almost always written in kanji.
フトウ Usage <1%
Similar words 不ふ 公こう 平へい 不公平 focuses on lack of equality or impartiality, while 不当 emphasizes lack of justice or reasonableness.
不ふ 正せい 不正 implies dishonesty or illegality, whereas 不当 is broader and can refer to unfairness without necessarily being illegal.
Etymology Compound of 不 (fu, 'not') and 当 (tō, 'right, proper'). The meaning is transparent from its components.
