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We found 43 dictionaries with English definitions that include the word boost:
Click on the first link on a line below to go directly to a page where "boost" is defined.

General (29 matching dictionaries)

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

Business (1 matching dictionary)

28. boost: Legal dictionary [home, info]

Computing (1 matching dictionary)

29. boost: Encyclopedia [home, info]

Medicine (1 matching dictionary)

30. boost: online medical dictionary [home, info]

Miscellaneous (3 matching dictionaries)

31. BOOST: Acronym Finder [home, info]
32. BOOST: AbbreviationZ [home, info]
33. boost: Idioms [home, info]

Science (1 matching dictionary)

34. Boost: Eric Weisstein's World of Physics [home, info]

Slang (2 matching dictionaries)

35. Boost: Street Terms: Drugs and the Drug Trade [home, info]
36. The boost, boost: Urban Dictionary [home, info]

Sports (2 matching dictionaries)

37. boost: Hickok Sports Glossaries [home, info]
38. Boost: Snowboarding Glossary [home, info]

Tech (3 matching dictionaries)

39. Boost: AUTOMOTIVE TERMS [home, info]
40. Boost: Glossary of video terms [home, info]
41. Boost: Sweetwater Music [home, info]

(Note: See boosts for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (boost) ▸ noun:  the act of giving hope or support to someone ▸ noun:  the act of giving an upward push ("He gave her a boost over the fence") ▸ noun:  an increase in cost ▸ verb:  give a boost to; be beneficial to ("The tax cut will boost the economy") ▸ verb:  increase or raise ("Boost the voltage in an electrical circuit") ▸ verb:  push or shove upward, as if from below or behind ("The singer had to be boosted onto the stage by a special contraption") ▸ verb:  contribute to the progress or growth of ▸ verb:  increase ▸ Also see boosts ▸ Word origin ▸ Words similar to boost ▸ Usage examples for boost ▸ Idioms related to boost (New!) ▸ Popular adjectives describing boost ▸ Words that often appear near boost ▸ Rhymes of boost ▸ Invented words related to boost