from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of a person, taking their work seriously and doing it well and rapidly.
from the GNU version of the Collaborative International Dictionary of English
- adj. habitually working diligently and for long hours.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. characterized by hard work and perseverance
Sorry, no etymologies found.