from The American Heritage® Dictionary of the English Language, 5th Edition.
- adverb With every available resource; with unrelenting effort.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adverb idiomatic
Viciously; with all one’s strengthor power; without holding back.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adverb with force and ferocity
from Wiktionary, Creative Commons Attribution/Share-Alike License
From tooth + and + nail ("fingernail, claw").
Sorry, no example sentences found.