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We found 38 dictionaries with English definitions that include the word ascertain:
Click on the first link on a line below to go directly to a page where "ascertain" is defined.

General dictionaries General (32 matching dictionaries)
  1. ascertain: Merriam-Webster.com [home, info]
  2. ascertain: Oxford Learner's Dictionaries [home, info]
  3. ascertain: American Heritage Dictionary of the English Language [home, info]
  4. ascertain: Collins English Dictionary [home, info]
  5. ascertain: Vocabulary.com [home, info]
  6. ascertain: Macmillan Dictionary [home, info]
  7. Ascertain, ascertain: Wordnik [home, info]
  8. ascertain: Cambridge Advanced Learner's Dictionary [home, info]
  9. ascertain: Wiktionary [home, info]
  10. ascertain: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. ascertain: V2 Vocabulary Building Dictionary [home, info]
  12. ascertain: The Wordsmyth English Dictionary-Thesaurus [home, info]
  13. ascertain: Infoplease Dictionary [home, info]
  14. Ascertain, ascertain: Dictionary.com [home, info]
  15. ascertain: Online Etymology Dictionary [home, info]
  16. ascertain: UltraLingua English Dictionary [home, info]
  17. ascertain: Cambridge Dictionary of American English [home, info]
  18. Ascertain: Online Plain Text English Dictionary [home, info]
  19. ascertain: Webster's Revised Unabridged, 1913 Edition [home, info]
  20. ascertain: Rhymezone [home, info]
  21. ascertain: AllWords.com Multi-Lingual Dictionary [home, info]
  22. ascertain: Webster's 1828 Dictionary [home, info]
  23. ascertain: Hutchinson's Dictionary of Difficult Words [home, info]
  24. ascertain: Free Dictionary [home, info]
  25. ascertain: Hutchinson Dictionaries [home, info]
  26. ascertain: Mnemonic Dictionary [home, info]
  27. ascertain: WordNet 1.7 Vocabulary Helper [home, info]
  28. ascertain: LookWAYup Translating Dictionary/Thesaurus [home, info]
  29. ascertain: Dictionary/thesaurus [home, info]
  30. ascertain: Wikimedia Commons US English Pronunciations [home, info]

Art dictionaries Art (1 matching dictionary)
  1. ascertain: The Organon: A Conceptually Indexed Dictionary (by Genus and Differentia) [home, info]

Business dictionaries Business (2 matching dictionaries)
  1. ascertain: Legal dictionary [home, info]
  2. ascertain: BusinessDictionary.com [home, info]

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

Medicine dictionaries Medicine (1 matching dictionary)
  1. ascertain: Medical dictionary [home, info]

Miscellaneous dictionaries Miscellaneous (1 matching dictionary)
  1. ascertain: Idioms [home, info]

(Note: See ascertains for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (ascertain)

verb:  learn or discover with certainty
verb:  after a calculation, investigation, experiment, survey, or study
verb:  find out, learn, or determine with certainty, usually by making an inquiry or other effort
verb:  be careful or certain to do something; make certain of something

▸ Also see ascertains
Word origin

Words similar to ascertain

Usage examples for ascertain

Idioms related to ascertain (New!)

Words that often appear near ascertain

Rhymes of ascertain

Invented words related to ascertain

Phrases that include ascertain:   ascertain the amount of, ascertain the balance due, ascertain the price of more...

Words similar to ascertain:   learn, ascertainable, ascertained, ascertaining, ascertainment, assure, check, control, demonstrate, determine, ensure, evidence, find, insure, see, tell, watch, find out, see to it, more...

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