We found 26 dictionaries that define the word proactive:

General (21 matching dictionaries)

1. proactive: Merriam-Webster.com
2. proactive: Oxford Learner's Dictionaries
3. proactive: American Heritage Dictionary of the English Language
4. proactive: Collins English Dictionary
5. proactive: Vocabulary.com
6. Proactive, proactive: Wordnik
7. proactive: Cambridge Advanced Learner's Dictionary
8. proactive: Wiktionary
9. proactive: Webster's New World College Dictionary, 4th Ed.
10. proactive: Infoplease Dictionary
11. proactive: Dictionary.com
12. ProActive, Proactive: Wikipedia, the Free Encyclopedia
13. proactive: Rhymezone
14. proactive: AllWords.com Multi-Lingual Dictionary
15. proactive: Free Dictionary
16. proactive: Mnemonic Dictionary
17. Proactive: The Word Detective
18. proactive: Dictionary/thesaurus
19. proactive: Wikimedia Commons US English Pronunciations

Business (3 matching dictionaries)

20. MoneyGlossary.com (No longer online)
21. Dictionary of Management Jargon (No longer online)
22. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

23. proactive: Encyclopedia

Slang (1 matching dictionary)

24. Proactive: Urban Dictionary

(Note: See proactives as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Acting in advance to deal with an expected change or difficulty Similar: preactive, proadaptive, preemptive, pre-action, foreprepared, preactivity, forethoughtful, proleptic, preadaptive, early, more... Opposite: reactive, passive, inactive, unresponsive Phrases: proactive interference, proactive inhibition, proactive measures, Proactive maintenance, proactive decision, more... Colors:     orange,     red,     yellow,     lime green,     sky blue, more... ▸ Words similar to proactive ▸ Usage examples for proactive ▸ Idioms related to proactive ▸ Wikipedia articles (New!) ▸ Popular nouns described by proactive ▸ Words that often appear near proactive ▸ Rhymes of proactive ▸ Invented words related to proactive