疑うたがわしい

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Common wordJLPTN2Freq.FrequencyTop 20,000

疑わしい · i-adjective

Form	Positive	Negative
Dictionary	疑うたがわしい	疑うたがわしくない
Polite	疑うたがわしいです	疑うたがわしくないですalso 疑うたがわしくありません
Past polite	疑うたがわしかったです	疑うたがわしくなかったですalso 疑うたがわしくありませんでした
Past	疑うたがわしかった	疑うたがわしくなかった
Te-form	疑うたがわしくて	疑うたがわしくなくて
Adverbial	疑うたがわしく
Conditional	疑うたがわしければ	疑うたがわしくなければ
Tara conditional	疑うたがわしかったら	疑うたがわしくなかったら

Meanings

i-adjective

doubtful; questionable; suspicious

Used when something seems unreliable, uncertain, or possibly dishonest. Can describe facts, claims, people, or situations.

彼かれの説せつ明めいは少すこし疑うたがわしい。
His explanation is a bit questionable.
あの男おとこの行こう動どうは疑うたがわしい。
That man's behavior is suspicious.

See all 35 example sentences ›

Usage patterns

〈事こと〉かどうか疑うたがわしいit's doubtful whether ~
彼かれが本ほん当とうに医い者しゃかどうか疑うたがわしい。
It's doubtful whether he's really a doctor.
疑うたがわしい人じん物ぶつa suspicious person
駅えきの周まわりで疑うたがわしい人じん物ぶつを見みかけた。
I saw a suspicious person around the station.
疑うたがわしい話はなしa dubious/fishy story
そんな儲もうけ話ばなしは疑うたがわしい。
A get-rich-quick story like that sounds dubious.
〈人ひと〉の言いうことが疑うたがわしいwhat someone says is questionable
彼かれの言いうことが疑うたがわしいので、証しょう拠こを求もとめた。
What he said was questionable, so I asked for evidence.

Expressions

疑うたがわしきは罰ばっせずinnocent until proven guilty; suspicion alone is not grounds for punishment

Kanji

疑doubt, distrust, be suspicious

Related words

怪あやしいN3
怪しい describes something that looks shady or suspicious on sight, while 疑わしい points to a lack of logical credibility or reliability.
不ふ審しんN1
不審 is a formal noun/adjectival noun often paired with 者 in official or police contexts, whereas 疑わしい is a plain everyday adjective.
微び妙みょうN3
疑わしい directly means suspicious or doubtful, while 微妙 in this sense softens the judgment into something merely uncertain or questionable.

Opposites

確たしかN4
確か describes something certain or reliable, the opposite of 疑わしい's sense of doubt or unreliability.

Don't confuse with

紛まぎらわしいN2
紛らわしい means 'easily confused/ambiguous' (like similar-looking items), while 疑わしい means 'doubtful or suspicious' (like an untrustworthy claim), despite the similar い-adjective ending.

Written forms

疑うたがわしいUsage98%
Standard kanji spelling; it is the primary form.
うたがわしいUsage2%

Etymology

Derived from the verb 疑う (うたがう, 'to doubt') + the adjectival suffix ～わしい, which expresses a state or tendency. The suffix is related to the classical auxiliary ～はし.