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We found 39 dictionaries with English definitions that include the word efficient:
Click on the first link on a line below to go directly to a page where "efficient" is defined.

General (31 matching dictionaries)

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

Business (3 matching dictionaries)

30. efficient: Glossary of research economics [home, info]
31. -efficient, efficient: Legal dictionary [home, info]
32. efficient: Financial dictionary [home, info]

Computing (2 matching dictionaries)

33. -efficient: Encyclopedia [home, info]
34. efficient: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

35. efficient: online medical dictionary [home, info]
36. efficient: Medical dictionary [home, info]

Slang (1 matching dictionary)

37. Efficient: Urban Dictionary [home, info]

(Note: See efficients for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (efficient) ▸ adjective:  being effective without wasting time or effort or expense ("An efficient production manager") ▸ adjective:  able to accomplish a purpose; functioning effectively ("An efficient secretary") ▸ Also see efficients ▸ Word origin ▸ Words similar to efficient ▸ Usage examples for efficient ▸ Idioms related to efficient (New!) ▸ Popular nouns described by efficient ▸ Words that often appear near efficient ▸ Rhymes of efficient ▸ Invented words related to efficient