Pertinacious – holding firmly to an opinion or a course of action
(Pronounced pur-tuh-nay-shuhs)
To remember the definition of the word pertinacious, use the following mnemonic:
The expert was tenacious (pertinacious) and would hold firmly to her opinion.
Examples of pertinacious in a sentence
He was far too pertinacious to be reasoned with.
The captain's pertinacious attitude was going to get them all killed.
His pertinacious management was holding the business back.
