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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 Learner's 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

Idioms related to invalidate (New!)

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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