We found 35 dictionaries that define the word ex'act:

General (27 matching dictionaries)

1. exact: American Heritage Dictionary of the English Language
2. exact: Collins English Dictionary
3. exact: Vocabulary.com
4. Exact, exact, eXact: Wordnik
5. exact: Cambridge Advanced Learner's Dictionary
6. exact: Wiktionary
7. exact: Webster's New World College Dictionary, 4th Ed.
8. exact: The Wordsmyth English Dictionary-Thesaurus
9. exact: Infoplease Dictionary
10. Exact, exact: Dictionary.com
11. exact (adj.): Online Etymology Dictionary
12. exact: Cambridge Essential American English Dictionary
13. EX'ACT, Ex'Act, Exact (company), Exact: Wikipedia, the Free Encyclopedia
14. Exact: Online Plain Text English Dictionary
15. exact: Webster's Revised Unabridged, 1913 Edition
16. exact: Rhymezone
17. exact, exact, exact(e): AllWords.com Multi-Lingual Dictionary
18. exact: Webster's 1828 Dictionary
19. exact: FreeDictionary.org
20. exact: Mnemonic Dictionary
21. exact: TheFreeDictionary.com
22. exact: Wikimedia Commons US English Pronunciations
23. exact: Merriam-Webster
24. exact: Oxford Learner's Dictionaries
25. exact: Longman Dictionary of Contemporary English

Business (2 matching dictionaries)

26. exact: Glossary of research economics
27. exact: Legal dictionary

Computing (1 matching dictionary)

28. exact: Encyclopedia

Miscellaneous (3 matching dictionaries)

29. EXACT: Acronym Finder
30. exact: Idioms
31. exact: Wordcraft Dictionary

Science (2 matching dictionaries)

32. Exact: Eric Weisstein's World of Mathematics
33. exact (differential form): PlanetMath Encyclopedia

(Note: See exactable as well.)

Definitions from Wiktionary (exactable) ▸ adjective:  Having the capability of being exacted. ▸ Also see exactable Similar: perfect, precise, accurate, literal, right, verbatim, word-for-word, rigorous, strict, direct, more... Opposite: approximate, imprecise, vague, inexact, general Types: exact-ish, approximate, approximate-ish, more... Phrases: exact opposite, exact same, exact science, Exact sciences, exact form, more... Adjectives: more, tall, dear, diario, astronomical, comprehensive, deep, next, not, frosty, quite Colors:     silver,     gray,     black,     white,     charcoal, more... ▸ Word origin ▸ Words similar to ex'act ▸ Usage examples for ex'act ▸ Idioms related to ex'act ▸ Wikipedia articles (New!) ▸ Popular nouns described by ex'act ▸ Words that often appear near ex'act ▸ Rhymes of ex'act ▸ Invented words related to ex'act