胡散臭(うさんくさ)い

うさんくさい
i-adjective
shady; fishy; suspicious
informalcolloquialevaluation
Conjugation
AffirmativeNegative
Present胡散臭(うさんくさ)い胡散臭(うさんくさ)くない
Past胡散臭(うさんくさ)かった胡散臭(うさんくさ)くなかった
て form胡散臭(うさんくさ)くて胡散臭(うさんくさ)くなくて
Adverbial胡散臭(うさんくさ)く—
Conditional ば胡散臭(うさんくさ)ければ胡散臭(うさんくさ)くなければ
Conditional たら胡散臭(うさんくさ)かったら胡散臭(うさんくさ)くなかったら
1. shady; fishy; suspicious; dubious
Describes a person, offer, or situation that seems untrustworthy or too good to be true. Conveys a gut feeling of distrust.
あの人(ひと)、なんか胡散臭(うさんくさ)い。
That person seems kind of shady.
胡散臭(うさんくさ)い広告(こうこく)には気(き)をつけたほうがいい。
You should be careful of suspicious ads.
「必(かなら)ず儲(もう)かる」なんて話(はなし)は胡散臭(うさんくさ)くて信(しん)じられない。
A story like 'you'll definitely make money' is too fishy to believe.

Usage

A colloquial, vivid adjective used in everyday conversation. Stronger than 怪(あや)しい in conveying personal distrust. Often used about scams, dubious sales pitches, and untrustworthy people.

Etymology

胡散(うさん) (suspicion) + 臭(くさ)い (smelling of). Literally "smelling of something suspicious."

Common collocations

Related Words

Synonym: 怪(あや)しい (suspicious (general))
Compare: 眉唾(まゆつば) (dubious story)
general
Added 2026.3.14 22:01 · Revised 2026.9.2 13:01
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