Find Antonyms

preposterously Antonyms

Opposite of preposterously

Because the opposite of preposterously shifts with each meaning, the 9 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adverb (Context 1)

To an outrageous, excessive, or unbelievable degree; extremely.

Usage Example

"The luxury boutique was filled with moderately expensive handbags that cost more than a compact car."

Strongest
moderately
Strong
modestly
fairly
slightly

• adverb (Context 2)

In a manner that is utterly absurd, ridiculous, or contrary to reason and common sense.

Usage Example

"The defendant's alibi was so reasonably fabricated that even his own attorney struggled to maintain a straight face."

Strongest
reasonably
sensibly
logically
rationally
Strong
plausibly

Similar words to preposterously

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

ludicrously
ridiculously
absurdly
outrageously
outlandishly
nonsensically
unbelievably
extravagantly
See all synonyms of preposterously

• Nearby Words

prepositional
prepossession
preposterous
preposterously
preppy
preprepared
preprimary

Cite this Entry

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