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We found 31 dictionaries with English definitions that include the word invalidate:
Click on the first link on a line below to go directly to a page where "invalidate" is defined.

General dictionaries General (27 matching dictionaries)
  1. invalidate: Merriam-Webster.com [home, info]
  2. invalidate: Oxford Dictionaries [home, info]
  3. invalidate: American Heritage Dictionary of the English Language [home, info]
  4. invalidate: Collins English Dictionary [home, info]
  5. invalidate: Vocabulary.com [home, info]
  6. invalidate: Macmillan Dictionary [home, info]
  7. Invalidate, invalidate: Wordnik [home, info]
  8. invalidate: Cambridge Advanced Learner's Dictionary [home, info]
  9. invalidate: Wiktionary [home, info]
  10. invalidate: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. invalidate: The Wordsmyth English Dictionary-Thesaurus [home, info]
  12. invalidate: Infoplease Dictionary [home, info]
  13. invalidate: Dictionary.com [home, info]
  14. invalidate: UltraLingua English Dictionary [home, info]
  15. invalidate: Cambridge Dictionary of American English [home, info]
  16. Invalidate: Online Plain Text English Dictionary [home, info]
  17. invalidate: Webster's Revised Unabridged, 1913 Edition [home, info]
  18. invalidate: Rhymezone [home, info]
  19. Invalidate: AllWords.com Multi-Lingual Dictionary [home, info]
  20. invalidate: Webster's 1828 Dictionary [home, info]
  21. invalidate: Free Dictionary [home, info]
  22. invalidate: Mnemonic Dictionary [home, info]
  23. invalidate: WordNet 1.7 Vocabulary Helper [home, info]
  24. invalidate: LookWAYup Translating Dictionary/Thesaurus [home, info]
  25. invalidate: Dictionary/thesaurus [home, info]

Business dictionaries Business (2 matching dictionaries)
  1. invalidate: Glossary of Legal Terms [home, info]
  2. invalidate: Legal dictionary [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. invalidate: Encyclopedia [home, info]

Medicine dictionaries Medicine (1 matching dictionary)
  1. invalidate: online medical dictionary [home, info]

(Note: See invalidator for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (invalidate)

verb:  declare invalid
verb:  take away the legal force of or render ineffective ("Invalidateas a contract")
verb:  show to be invalid
verb:  of cheques or tickets

▸ Also see invalidator

Words similar to invalidate

Usage examples for invalidate

Words that often appear near invalidate

Rhymes of invalidate

Invented words related to invalidate

Phrases that include invalidate:   invalidate an attorneyĆ¢\u0080\u0099s license

Words similar to invalidate:   annul, avoid, cancel, invalidated, invalidating, invalidation, invalidator, nullify, quash, vitiate, void, undo, more...

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