2
chummily(adverb, amiably)
2
completely
2
familiarly(adverb, casually, intimately, nonchalantly, offhandedly)
2
hand
2
hardly
2
heavily
2
heedfully(adverb, thoroughly, carefully, meticulously, faithfully)
2
jointly(adverb, together, thoroughly, combined, carefully)
2
mindfully(adverb, thoroughly, carefully, meticulously, faithfully)
2
nearbily
2
nearby(adverb, near)
2
nighly
2
personally(adverb, casually, intimately, familiarly, nonchalantly)
2
punctiliously(adverb, thoroughly, carefully, meticulously, faithfully)
2
rigorously
2
searchingly(adverb, hard, thoroughly, earnestly, carefully)
2
sharply(adverb, thoroughly, earnestly, carefully, lightly)
2
shutly
2
skillfully
2
sociably(adverb, amiably)
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APASmart Define. (2015). closely thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/closely/thesaurus/synonyms
ChicagoSmart Define. 2015. "closely thesaurus" https://smartdefine.org/closely/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, closely thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/closely/thesaurus/synonyms>.
MLASmart Define. "closely thesaurus" 4 December 2015. Web. 20 September 2026. <https://smartdefine.org/closely/thesaurus/synonyms>