Persistent synonyms such as continual, assiduous, chronic, and constant. Persistent is an adjective, and its antonyms are intermittent, occasional, and irresolute. Additionally, here are 54 synonyms, related words, and verbs for persistent.
assiduous, determined, diligent, dogged, importunate, indefatigable, insistent, intransigent, obdurate, obstinate, patient, persevering, pertinacious, purposeful, relentless, resolute, sedulous, single-minded, stubborn, tenacious, tireless, unflagging, unrelenting, untiring, and unwavering.
chronic, constant, continual, continuing, continuous, endless, frequent, habitual, incessant, interminable, lasting, lingering, nagging, never-ending, non-stop, permanent, perpetual, relentless, repeated, steady, sustained, unbroken, unceasing, unending, uninterrupted, unrelenting, unrelieved, and unremitting.