Synonyms for persistent

assiduous, ceaseless, consistent, constant, continual, continued, continuous, determined, diligent, dogged, enduring, frequent, hardworking, headstrong, indefatigable, indomitable, industrious, insistent, interminable, lasting, non-stop, obstinate, ongoing, persevering, pertinacious, prolonged, relentless, sedulous, single-minded, steadfast, stubborn, sustainable, sustained, tenacious, tireless, unabated, unceasing, undeviating, unfaltering, unflagging, uninterrupted, unrelenting, unremitting, unshakeable, unswerving, untiring, unwavering, unyielding