(a.) Stubbornly persevering; obstinately persistent; as, dogged resolution; dogged work\.

adamant assiduous badgered baited balking balky bedeviled beset bigoted bugged bulldogged bulletheaded bullheaded bullyragged case-hardened chivied constant continuing deviled diligent dogmatic enduring faithful fanatic fretted harassed hardheaded harried haunted headstrong heckled hectored hounded immutable inalterable indefatigable indomitable industrious inexorable insistent intolerant invincible lasting loyal mulish needled never-tiring nipped at obdurate obstinate opinionated overzealous patient patient as Job permanent persecuted perseverant persevering persistent persisting pertinacious pestered picked on pigheaded plagued plodding plugging preoccupied ragged rapt relentless resolute restive rigid sedulous self-willed set single-minded sleepless slogging stable steadfast steady stiff-necked strong-willed strongheaded stubborn sulky sullen teased tenacious tireless tormented unabating unbending unconquerable uncooperative undaunted undiscouraged undrooping unfailing unfaltering unflagging unflinching unintermitting uninterrupted unnodding unregenerate unrelaxing unrelenting unremitting unsleeping unswerving untiring unwavering unwearied unwearying unwinking utterly attentive vexed weariless willful worried worried sick worried stiff