3
closely
3
concretely
3
constantly(adverb, stably)
3
continuously(adverb, stably, cohesively)
3
durably(adverb, severely, thoroughly, strongly, firmly)
3
physically
3
purely(adverb, unitedly)
3
soundly(adverb, hard, firm, severely, thoroughly)
3
steadfastly(adverb, hard, firm, fast, severely)
3
steady(adverb, firm, firmly)
3
strongly(adverb, fast, severely, thoroughly, intensely)
3
surely
3
thickly(adverb, densely)
3
tight(adverb, hard, firm, fast, thoroughly)
3
tightly(adverb, hard, firm, fast, thoroughly)
2
all the way(expression, idiom, adverb, absolutely, fully)
2
altogether(adverb, absolutely, thoroughly, fully, completely)
2
coherently(adverb, unitedly, cohesively)
2
competently(adverb, absolutely, thoroughly, fully, completely)
2
conclusively(adverb, absolutely, thoroughly, fully, completely)
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APASmart Define. (2015). solidly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/solidly/thesaurus/synonyms
ChicagoSmart Define. 2015. "solidly thesaurus" https://smartdefine.org/solidly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, solidly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/solidly/thesaurus/synonyms>.
MLASmart Define. "solidly thesaurus" 19 June 2015. Web. 20 September 2026. <https://smartdefine.org/solidly/thesaurus/synonyms>