2
item by item(expression, idiom)
2
just(adverb, big, limited)
2
length
2
lovingly
2
narrowly(adverb, carefully, faithfully)
2
nearly(adverb, closely, carefully, meticulously, faithfully)
2
outright
2
outrightly
2
providently(adverb, severely, fully, precisely, correctly)
2
prudently(adverb, severely, fully, precisely, correctly)
2
punctiliously(adverb, fully, precisely, correctly, carefully)
2
regardfully(severely, fully, precisely, correctly, strictly)
2
remarkably
2
rigorously(adverb, severely, fully, precisely, correctly)
2
root and branch(expression, idiom, adverb)
2
seriously(adverb, badly, very, severely, really)
2
severely(adverb, completely, intensely, extremely, firmly)
2
solicitously(severely, fully, precisely, correctly, strictly)
2
solidly(absolutely, fully, completely, strongly, entirely)
2
sweepingly
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APASmart Define. (2015). thoroughly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/thoroughly/thesaurus/synonyms
ChicagoSmart Define. 2015. "thoroughly thesaurus" https://smartdefine.org/thoroughly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, thoroughly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/thoroughly/thesaurus/synonyms>.
MLASmart Define. "thoroughly thesaurus" 19 June 2015. Web. 22 September 2026. <https://smartdefine.org/thoroughly/thesaurus/synonyms>