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We found 36 dictionaries with English definitions that include the word crucial:
Click on the first link on a line below to go directly to a page where "crucial" is defined.

General (31 matching dictionaries)

1. crucial: Merriam-Webster.com [home, info]
2. crucial: Oxford Learner's Dictionaries [home, info]
3. crucial: American Heritage Dictionary of the English Language [home, info]
4. crucial: Collins English Dictionary [home, info]
5. crucial: Vocabulary.com [home, info]
6. crucial: Macmillan Dictionary [home, info]
7. Crucial, crucial: Wordnik [home, info]
8. crucial: Cambridge Advanced Learner's Dictionary [home, info]
9. crucial: Wiktionary [home, info]
10. crucial: Webster's New World College Dictionary, 4th Ed. [home, info]
11. crucial: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. crucial: Infoplease Dictionary [home, info]
13. Crucial, crucial: Dictionary.com [home, info]
14. crucial: Online Etymology Dictionary [home, info]
15. crucial: UltraLingua English Dictionary [home, info]
16. crucial: Cambridge Dictionary of American English [home, info]
17. Crucial (song), Crucial: Wikipedia, the Free Encyclopedia [home, info]
18. Crucial: Online Plain Text English Dictionary [home, info]
19. crucial: Webster's Revised Unabridged, 1913 Edition [home, info]
20. crucial: Rhymezone [home, info]
21. crucial, crucial(e) (-aux): AllWords.com Multi-Lingual Dictionary [home, info]
22. crucial: Webster's 1828 Dictionary [home, info]
23. Crucial: 1911 edition of the Encyclopedia Britannica [home, info]
24. crucial: Free Dictionary [home, info]
25. crucial: Mnemonic Dictionary [home, info]
26. crucial: WordNet 1.7 Vocabulary Helper [home, info]
27. crucial: LookWAYup Translating Dictionary/Thesaurus [home, info]
28. crucial: Dictionary/thesaurus [home, info]
29. Crucial: Dictionary of Phrase and Fable (1898) [home, info]

Business (1 matching dictionary)

30. crucial: Legal dictionary [home, info]

Computing (1 matching dictionary)

31. crucial: Encyclopedia [home, info]

Medicine (1 matching dictionary)

32. crucial: Medical dictionary [home, info]

Slang (2 matching dictionaries)

33. crucial: English slang and colloquialisms used in the United Kingdom [home, info]
34. Crucial: Urban Dictionary [home, info]

(Note: See crucials for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (crucial) ▸ adjective:  having crucial relevance ("Crucial to the case") ▸ adjective:  of extreme importance; vital to the resolution of a crisis ("A crucial moment in his career") ▸ adjective:  having the power or quality of deciding ("The crucial experiment") ▸ adjective:  of the greatest importance ("Crucial information") ▸ Also see crucials ▸ Word origin ▸ Words similar to crucial ▸ Usage examples for crucial ▸ Idioms related to crucial (New!) ▸ Popular nouns described by crucial ▸ Words that often appear near crucial ▸ Rhymes of crucial ▸ Invented words related to crucial