7
thoroughly(adverb, part, limited, fully, completely)
4
exhaustively(adverb, part, limited, very, thoroughly)
4
intensely
3
completely(adverb, part, limited)
3
doggedly(adverb, thoroughly, closely, sharply, meticulously)
3
hardly
3
hotly
3
strenuously(adverb, thoroughly, closely, meticulously, determinedly)
2
acutely
2
assiduously(adverb, very, thoroughly, fully, completely)
2
comprehensively
2
depth
2
intently(adverb, thoroughly, closely, sharply, meticulously)
2
keenly
2
persistently(adverb, thoroughly, closely, meticulously, determinedly)
2
strongly
2
violently
1
ardently
1
closely(adverb, thoroughly, sharply, meticulously, determinedly)
1
diligently(adverb, thoroughly, closely, carefully, meticulously)
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APASmart Define. (2015). intensively thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/intensively/thesaurus/synonyms
ChicagoSmart Define. 2015. "intensively thesaurus" https://smartdefine.org/intensively/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, intensively thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/intensively/thesaurus/synonyms>.
MLASmart Define. "intensively thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/intensively/thesaurus/synonyms>