from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Slang Serious or difficult activities or work: "Attention is shifting to the fall Presidential race, and with only seven months left in office, Reagan won't be doing any heavy lifting” ( Business Week).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The most demanding part of an endeavour; work requiring the most effort, resources, or consideration.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. difficult work
Sorry, no etymologies found.