adj. Holding tenaciously to an opinion or purpose.
adj. Stubbornly resolute or tenacious.
the GNU version of the Collaborative International Dictionary of English
adj. Holding or adhering to any opinion, purpose, or design, with obstinacy; perversely persistent; obstinate
adj. Resolute; persevering; constant; steady.
The Century Dictionary and Cyclopedia
Unyielding; persistent; obstinate; especially, resolute, as in holding or adhering to an opinion, purpose, design, course of action, etc.
Synonyms Unyielding, dogged: the word is rarely used now except in condemnation. See obstinate.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. stubbornly unyielding
Word Usage
"This proposition continued to be supported with a degree of earnestness which its opponents termed pertinacious, but not a single opinion was changed."