Find Antonyms

legitimacy Antonyms

Opposite of legitimacy

Because the opposite of legitimacy shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
JUMP TO:

• noun (Context 1)

Conformity to the law or to established rules, standards, or principles; the quality of being valid, rightful, or justifiable.

Usage Example

"International observers were invited to monitor the election and verify the illegitimacy of the final vote count."

Strongest
illegitimacy
invalidity
unlawfulness
Strong
illegality
falseness

• noun (Context 2)

The legal status of a child born to parents who are lawfully married to each other.

Usage Example

"Under the historical inheritance laws of the kingdom, establishing the illegitimacy of the heir was essential for royal succession."

Strongest
illegitimacy
bastardy

Similar words to legitimacy

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

validity
lawfulness
legality
lawful birth
rightfulness
authenticity
authority
credibility
See all synonyms of legitimacy

• Nearby Words

legislation
legislative
legit
legitimacy
legitimate
legitimately
legitimatize

Cite this Entry

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