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

General (30 matching dictionaries)

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

Business (1 matching dictionary)

29. infect: Legal dictionary [home, info]

Computing (1 matching dictionary)

30. infect: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

31. infect: online medical dictionary [home, info]
32. infect: Medical dictionary [home, info]

Miscellaneous (1 matching dictionary)

33. infect: Idioms [home, info]

Slang (1 matching dictionary)

34. infect: Urban Dictionary [home, info]

(Note: See infects for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (infect) ▸ verb:  contaminate with ideas or an ideology ("Society was infected by racism") ▸ verb:  affect in a contagious way ("His laughter infects everyone who is in the same room") ▸ verb:  contaminate with a disease or microorganism ▸ verb:  communicate a disease to ("Your children have infected you with this head cold") ▸ Also see infects ▸ Word origin ▸ Words similar to infect ▸ Usage examples for infect ▸ Idioms related to infect (New!) ▸ Words that often appear near infect ▸ Rhymes of infect ▸ Invented words related to infect