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Dictionary

per•ti•na•cious

Pronunciation: (pûr"tn-ā'shus), [key]
—adj.
1. holding tenaciously to a purpose, course of action, or opinion; resolute.
2. stubborn or obstinate.
3. extremely or objectionably persistent: a pertinacious salesman from whom I could not escape.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Perthshire

pertinacity

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