1
since time began(expression, idiom)
1
singlemindedly
1
sloggingly
1
solidly(adverb, stably)
1
speedily(adverb, vigorously, earnestly, actively, hastily)
1
spiritedly(adverb, vigorously, earnestly, actively, hastily)
1
stiffly(adverb, tenaciously)
1
stonily(adverb, tenaciously)
1
straightly(adverb, continuously)
1
strongly(adverb, tenaciously)
1
studiously(adverb, vigorously, earnestly, actively, hastily)
1
sustainedly
1
thoroughly(adverb, closely, definitely, resolutely, determinedly)
1
till doomsday
1
time immemorial
1
tooth and nail(expression, idiom)
1
unabatingly
1
undauntedly(adverb, tenaciously)
1
unflinchingly
1
uniformly(adverb, continuously)
11 years ago|5.5k views|share |citing 
APASmart Define. (2015). persistently thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/persistently/thesaurus/synonyms
ChicagoSmart Define. 2015. "persistently thesaurus" https://smartdefine.org/persistently/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, persistently thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/persistently/thesaurus/synonyms>.
MLASmart Define. "persistently thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/persistently/thesaurus/synonyms>