7
heavily(adverb, heavily, laboriously)
6
slowly(adverb, dully)
4
awkwardly(adverb, badly, severely, vigorously, hardly)
4
clumsily
4
dully(adverb, dully)
4
massively(adverb, heavily)
3
cumbersomely(adverb, badly, severely, vigorously, hardly)
3
unwieldily(adverb, badly, severely, vigorously, hardly)
3
weightily(adverb, heavily)
2
arduously(adverb, badly, severely, vigorously, hardly)
2
burdensomely(adverb, badly, severely, vigorously, hardly)
2
cumbrously(adverb, badly, severely, vigorously, hardly)
2
densely(adverb, dully)
2
laboriously(adverb, badly, severely, seriously, vigorously)
2
onerously
2
stodgily
2
verbosely(adverb, verbosely)
1
agonizingly(adverb, badly, severely, vigorously, hardly)
1
apathetically(adverb, dully)
1
artificially
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APASmart Define. (2015). ponderously thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/ponderously/thesaurus/synonyms
ChicagoSmart Define. 2015. "ponderously thesaurus" https://smartdefine.org/ponderously/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, ponderously thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/ponderously/thesaurus/synonyms>.
MLASmart Define. "ponderously thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/ponderously/thesaurus/synonyms>