9
densely(adverb, seriously, heavily, deeply, slowly)
6
thick
4
closely(adverb, tightly, densely)
4
heavily(adverb, laboriously)
4
compactly(adverb, tightly, densely)
3
solidly(adverb, densely)
2
broadly
2
close
2
coarsely
2
deep
2
deeply(adverb, seriously, hoarsely, huskily)
2
dense
2
dumbly
2
fatly
2
grossly
2
hoarsely(adverb, huskily)
2
largely
2
obtusely
2
stoutly
2
widely
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APASmart Define. (2015). thickly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/thickly/thesaurus/synonyms
ChicagoSmart Define. 2015. "thickly thesaurus" https://smartdefine.org/thickly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, thickly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/thickly/thesaurus/synonyms>.
MLASmart Define. "thickly thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/thickly/thesaurus/synonyms>