persistence Synonyms - page 2

agelessness assiduousness industriousness slogging Constance perennation lastingness enduringness bullheadedness obstinance pigheadedness intransigence repetition adherence durability durableness duration earnestness effort endlessness existence fixedness fortitude frequency immovability immutability dunning dovetailing assiduity backbone commitment concentration consistency continuation conviction dedication determinateness diligence diligency diuturnity implacability importunacy importunity perdurability permanence permanency perpetuation pertinacy perverseness pluck