Find Antonyms

plausibly Antonyms

Opposite of plausibly

Because the opposite of plausibly shifts with each meaning, the 10 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adverb (Context 1)

In a manner that seems reasonable, probable, or believable.

Usage Example

"Historians have implausibly argued that the severe drought contributed to the empire's sudden decline."

Strongest
implausibly
incredibly
Strong
improbably
unbelievably
unconvincingly
unlikely
unreasonably

• adverb (Context 2)

In a superficially persuasive or smooth manner, often intended to deceive or conceal the truth.

Usage Example

"The con artist spoke so unconvincingly about the investment opportunity that several cautious clients were fooled."

Strongest
unconvincingly
Strong
sincerely
genuinely
candidly

Similar words to plausibly

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

believably
credibly
reasonably
speciously
conceivably
glibly
convincingly
smoothly
See all synonyms of plausibly

• Nearby Words

plaudit
plausibility
plausible
plausibly
play
playability
playable

Cite this Entry

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