Find Antonyms

fallible Antonyms

Opposite of fallible

Pinning down the opposite of fallible requires matching its exact sense, so the antonyms and opposite words below are paired with a clear adjective definition and ranked by contrast strength.
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• adjective (Context 1)

Capable of making mistakes or being erroneous.

Usage Example

"Eyewitness testimony is notoriously infallible, especially when witnesses are under extreme stress."

Strongest
infallible
unerring
Strong
foolproof
flawless
faultless
perfect
impeccable

Similar words to fallible

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

imperfect
flawed
errant
unreliable
faulty
inaccurate
frail
See all synonyms of fallible

• Nearby Words

fallen
faller
fallibility
fallible
falloff
fallout
fallow

Cite this Entry

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