Search Dictionary
Definition of preposterously

preposterously

/prɪˈpɑː.stɚ.əs.li/
pre · pos · ter · ous · ly
Adjective:preposterous
JUMP TO:

preposterously Lexical Profile

preposterously Game Scores & Validity

• adverb

1

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

Example

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

2

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

Example

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

Synonyms
View all synonyms for preposterously
Antonyms
View all antonyms for preposterously

• Rhymes for preposterously

• Nearby Words

prepositional
prepossession
preposterous
preposterously
prepper
preppy
preprepared

Word Origin & Etymology

Derived from the adjective preposterous, from Latin praeposterus meaning 'inverted' or 'having the first last' (literally 'before-behind', from prae- 'before' and posterus 'subsequent'), joined with the adverbial suffix -ly.

Cite this Entry

Wordmom. (2026). Definition of Preposterously. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/preposterously
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.