Meaning
Dubious is an adjective that means:
- Doubtful, uncertain, or unsure about something.
- Questionable, suspicious, or not to be trusted.
- Of doubtful quality or morality.
Grammar and Usage
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Part of speech: Adjective
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Used to describe people, feelings, or things that cause doubt or suspicion.
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Typical patterns:
- be dubious about sth (having doubts)
- a dubious claim/statement/character (suspicious or questionable)
Common Phrases
- dubious about something – feeling uncertain or skeptical.
- of dubious quality – of questionable standard.
- a dubious character – someone untrustworthy or suspicious.
Collocations
- dubious decision
- dubious claim
- dubious reputation
- dubious honor
- dubious business practices
Examples
- She looked dubious about his explanation.
- The company made a dubious claim about the product’s effectiveness.
- His story seemed rather dubious to the police.
- They were involved in dubious business practices.
- It’s of dubious quality, so I wouldn’t buy it.
- He gave me a dubious look when I mentioned the plan.
- The politician’s dubious connections raised many questions.
- She was dubious about accepting the offer.
Synonyms or Related
- doubtful
- uncertain
- suspicious
- questionable
- skeptical
Antonym
- certain
- reliable
- trustworthy
- credible