1.
unfair, unjust, improper, undue
Not fair, reasonable, or appropriate. Often used in legal, business, and social contexts to describe treatment, pricing, or actions that violate norms of fairness.
不当な扱いを受けた。
I received unfair treatment.
この価格は不当に高い。
This price is unreasonably high.
労働者は不当解雇に対して裁判を起こした。
The worker filed a lawsuit against the unfair dismissal.
不当 describes something that falls short of accepted standards of fairness.
COMMON COLLOCATIONS:
- 不当解雇 (unfair dismissal)
- 不当な扱い (unfair treatment)
- 不当な利益 (unfair profit, unjust enrichment)
- 不当な要求 (unreasonable demand)
- 不当に高い (unreasonably expensive)
- 不当表示 (misleading labeling)
Often seen in legal and labor contexts. The opposite is 正当 (just, legitimate).