1
clandestinely
1
close to(expression, adverb, immediately, roughly, nearly)
1
coincidentally(combined, jointly, collectively, mutually)
1
collectively(adverb, jointly, mutually)
1
combined(jointly, collectively, mutually)
1
commonly(jointly, collectively, mutually)
1
companionably(adverb, amiably)
1
comparatively(adverb, roughly, around, about, nearly)
1
competently
1
concertedly(jointly, collectively, commonly, mutually)
1
concomitantly(combined, jointly, collectively, mutually)
1
concurrently(jointly, collectively, mutually)
1
confidentially(adverb, casually, intimately, familiarly, nonchalantly)
1
congenially(adverb, amiably)
1
conjointly(combined, jointly, collectively, mutually)
1
contemporaneously(combined, jointly, collectively, commonly, mutually)
1
contiguously
1
conveniently
1
correctly
1
costively
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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>