Find Synonyms

unbelievable Synonyms

Another word for unbelievable

Choosing another word for unbelievable depends on context, so the 20 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Extraordinarily great, impressive, or astonishing in degree, quality, or scale.

Usage Example

"The marathon runner showed extraordinary stamina during the final miles of the race."

Strongest
extraordinary
astonishing
astounding
amazing
phenomenal
Strong
remarkable
staggering
breathtaking
marvelous
spectacular

• adjective (Context 2)

So unlikely, improbable, or far-fetched as to be difficult or impossible to accept as true.

Usage Example

"The witness gave an incredible account of the evening's events that failed to convince the jury."

Strongest
incredible
implausible
improbable
Strong
unconvincing
far-fetched
inconceivable
unthinkable
unlikely
preposterous
dubious

Opposites of unbelievable

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

believable
ordinary
credible
unremarkable
plausible
convincing
commonplace
mediocre
See all opposites of unbelievable

• Nearby Words

unbeknownst
unbelief
unbelievability
unbelievable
unbelievably
unbelieved
unbeliever

Cite this Entry

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