Pertinacious - Definition
pertinacious
adj 1: stubbornly unyielding; "dogged persistence"; "dour
determination"; "the most vocal and pertinacious of all
the critics"; "a mind not gifted to discover truth but
tenacious to hold it"- T.S.Eliot; "men tenacious of
opinion" [syn: dogged, dour, persistent,
pertinacious, tenacious, unyielding]