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unbelievably Synonyms

Another word for unbelievably

Choosing another word for unbelievably depends on context, so the 13 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adverb (Context 1)

To an extraordinary or astonishing degree; extremely.

Usage Example

"The mountain trail was incredibly steep during the final ascent."

Strongest
incredibly
extremely
astonishingly
Strong
remarkably
extraordinarily
exceptionally
tremendously
immensely

• adverb (Context 2)

In a manner that is difficult or impossible to believe.

Usage Example

"incredibly, none of the passengers were injured when the train derailed."

Strongest
incredibly
implausibly
Strong
improbably
inconceivably
unthinkably
unimaginably

Opposites of unbelievably

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

believably
credibly
plausibly
slightly
mildly
moderately
marginally
convincingly
See all opposites of unbelievably

Cite this Entry


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