from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Making severe demands; rigorous: an exacting instructor.
- adj. Requiring great care, effort, or attention: an exacting task. See Synonyms at burdensome.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Making excessive demands; hard to satisfy.
- adj. Requiring precise accuracy
- v. Present participle of exact.
from the GNU version of the Collaborative International Dictionary of English
- adj. Oppressive or unreasonably severe in making demands or requiring the exact fulfillment of obligations; harsh; severe.
from The Century Dictionary and Cyclopedia
- Given to or characterized by exaction; severe in requirement or requisition; exigent in action or procedure: as, an exacting master; an exacting inquiry.
- Attended by exaction; requiring close attention or application; arduous; laborious; absorbing: as, an exacting office or employment; exacting duties; exacting demands upon one's time.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. requiring precise accuracy
- adj. severe and unremitting in making demands
- adj. having complicated nutritional requirements; especially growing only in special artificial cultures
From exact + -ing (Wiktionary)