Find Synonyms

dubious Synonyms

Another word for dubious

Choosing another word for dubious depends on context, so the 17 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Not to be relied upon; suspect or of questionable value, quality, or validity.

Usage Example

"The historian dismissed the manuscript after discovering its questionable provenance."

Strongest
questionable
suspect
suspicious
Strong
unreliable
untrustworthy
fishy
shady
sketchy
implausible

• adjective (Context 2)

Hesitating or doubting; feeling uncertain or unconvinced about an outcome or statement.

Usage Example

"I was rather doubtful about the whole idea of investing our savings in an untested startup."

Strongest
doubtful
skeptical
uncertain
unsure
Strong
unconvinced
hesitant
undecided
wavering

Opposites of dubious

The opposite of dubious shifts depending on context. Common opposites include:

certain
reliable
trustworthy
sure
convinced
authentic
credible
confident
See all opposites of dubious

• Nearby Words

dually
dub
dubbing
dubious
dubiously
dubiousness
dubrovnik

Cite this Entry

Wordmom. (2026). Synonyms for Dubious. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/dubious
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