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We found 46 dictionaries with English definitions that include the word necessary:
Click on the first link on a line below to go directly to a page where "necessary" is defined.

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

Business dictionaries Business (3 matching dictionaries)
  1. necessary: Law.com Dictionary [home, info]
  2. Necessary (logic), necessary: Legal dictionary [home, info]
  3. Necessary (logic), Necessary: Financial dictionary [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. Necessary (logic), Necessary (modal logic), necessary: Encyclopedia [home, info]

Medicine dictionaries Medicine (2 matching dictionaries)
  1. necessary: online medical dictionary [home, info]
  2. Necessary (logic), necessary: Medical dictionary [home, info]

Miscellaneous dictionaries Miscellaneous (4 matching dictionaries)
  1. NECESSARY: Navajo Code Talkers' Dictionary [home, info]
  2. NECESSARY: Acronym Finder [home, info]
  3. necessary: Glosario de términos filosóficos (en inglés) [home, info]
  4. necessary: Idioms [home, info]

Science dictionaries Science (3 matching dictionaries)
  1. Necessary: Eric Weisstein's World of Mathematics [home, info]
  2. necessary: PlanetMath Encyclopedia [home, info]
  3. necessary: FOLDOP - Free On Line Dictionary Of Philosophy [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. necessary: Urban Dictionary [home, info]

(Note: See necessaries for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (necessary)

noun:  anything indispensable
adjective:  absolutely essential
adjective:  unavoidably determined by prior circumstances ("The necessary consequences of one's actions")
name:  A surname (very rare: popularity rank in the U.S.: #26227)

▸ Also see necessaries
Word origin

Words similar to necessary

Usage examples for necessary

Popular adjectives describing necessary

Popular nouns described by necessary

Words that often appear near necessary

Rhymes of necessary

Invented words related to necessary

Phrases that include necessary:   necessary condition, a necessary evil, medically necessary, necessary woman, ordinary and necessary business expense, more...

Words similar to necessary:   requisite, essential, necessaries, necessity, requirement, vital, more...

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