19 entries under thoroughly topic. ×

11
diligently(adverb, seriously, vigorously, closely)
8
industriously(adverb, seriously, vigorously, closely)
7
intently(adverb, closely, sharply, meticulously)
7
laboriously(adverb, vigorously, earnestly, hastily)
7
painstakingly(adverb, fully, vigorously, closely)
6
strenuously(adverb, seriously, vigorously, closely)
6
persistently(adverb, seriously, vigorously, closely)
5
doggedly(adverb, closely, sharply, meticulously)
5
earnestly(adverb, fully, completely, hastily)
4
hard(adverb, very, fully, completely)
3
unremittingly(adverb, fully, completely, vigorously)
2
intensively(adverb, very, fully, completely)
2
untiringly(adverb, closely, sharply, meticulously)
1
closely(adverb, sharply, meticulously, determinedly)
1
exhaustively(adverb, very, fully, completely)
1
searchingly(adverb, closely, sharply, meticulously)
1
steadily(adverb, closely, meticulously, determinedly)
1
vigilantly(adverb, vigorously, precisely, earnestly)
1
with determination(expression, adverb, closely, sharply)
10 years ago|3.1k views|share |citing 
APASmart Define. (2016). assiduously thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/assiduously/thesaurus/synonyms
ChicagoSmart Define. 2016. "assiduously thesaurus" https://smartdefine.org/assiduously/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, assiduously thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/assiduously/thesaurus/synonyms>.
MLASmart Define. "assiduously thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/assiduously/thesaurus/synonyms>