2
steadily(adverb, hard, thoroughly, earnestly, strongly)
2
thoughtfully(adverb, thoroughly, carefully, meticulously, faithfully)
2
together(adverb, jointly, collectively, mutually)
2
well-nigh
1
just about(verb, expression, phrasal verb)
1
affectionately(adverb, amiably)
1
airlessly
1
all together(expression, combined, jointly, collectively, mutually)
1
alongside
1
amiably(adverb, amiably)
1
amicably(adverb, amiably)
1
analogously(adverb, similarly)
1
as good as(expression, idiom)
1
as one(expression, jointly, collectively, mutually)
1
assiduously(adverb, thoroughly, sharply, meticulously, determinedly)
1
at one fell swoop(expression, idiom, combined, jointly, collectively)
1
ballpark figure(expression, adverb, roughly, nearly, almost)
1
beside
1
briefly
1
circa(adverb, near, roughly, nearly, almost)
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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>