from The American Heritage® Dictionary of the English Language, 4th Edition
- adv. With every available resource; with unrelenting effort: "Bureaucrats would correctly see this as a curb on their power and would fight tooth and nail against it” ( George R. Packard).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. Viciously; with all one’s strength or power; without holding back.
from the GNU version of the Collaborative International Dictionary of English
- n. as if by biting and scratching; with one's utmost power; by all possible means.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. with force and ferocity
Less natural was the tooth and nail opposition of Valerio, who declared that a constitution much exceeded the desires of the people, and that a petition for it would only frighten the king.
Jud Bates an 'that young marplot o' Thorme's wur feighten about Nib – at it tooth and nail – an 'th' lass sees 'em, an 'marches into the thick, an' sets 'em to reets.
Being a MacLeod meant you learnt from the cradle to stand your ground and fight tooth and nail to defend your beliefs.