Find Antonyms

unbelievable Antonyms

Opposite of unbelievable

Because the opposite of unbelievable shifts with each meaning, the 14 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

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

Usage Example

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

Strongest
ordinary
unremarkable
Strong
mediocre
commonplace
mundane
average
forgettable

• 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 believable account of the evening's events that failed to convince the jury."

Strongest
believable
credible
plausible
Strong
convincing
likely
probable
realistic

Similar words to unbelievable

Words similar to unbelievable shift depending on context. Common synonyms include:

astonishing
incredible
implausible
extraordinary
astounding
amazing
improbable
phenomenal
See all synonyms of unbelievable

• Nearby Words

unbeknownst
unbelief
unbelievability
unbelievable
unbelievably
unbelieved
unbeliever

Cite this Entry

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