17 entries under thoroughly topic. ×

9
doggedly(adverb, closely, firmly, strictly)
8
steadily(adverb, closely, firmly, definitely)
7
diligently(adverb, seriously, vigorously, closely)
7
unremittingly(adverb, seriously, vigorously, closely)
4
assiduously(adverb, seriously, vigorously, closely)
4
hard(adverb, closely, actively, definitely)
4
industriously(adverb, seriously, vigorously, closely)
4
intently(adverb, closely, strictly, resolutely)
4
untiringly(adverb, closely, firmly, meticulously)
3
earnestly(adverb, vigorously, closely, actively)
2
intensively(adverb, closely, meticulously, determinedly)
2
painstakingly(adverb, seriously, vigorously, closely)
2
strenuously(adverb, seriously, vigorously, closely)
1
closely(adverb, meticulously, determinedly, obstinately)
1
exhaustively(adverb, closely, meticulously, determinedly)
1
searchingly(adverb, closely, meticulously, determinedly)
1
with determination(expression, adverb, closely, strictly)
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APASmart Define. (2015). persistently thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/persistently/thesaurus/synonyms
ChicagoSmart Define. 2015. "persistently thesaurus" https://smartdefine.org/persistently/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, persistently thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/persistently/thesaurus/synonyms>.
MLASmart Define. "persistently thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/persistently/thesaurus/synonyms>