63 entries under severely topic. ×

11
arduously(adverb, easy, badly, vigorously)
9
strenuously(adverb, badly, vigorously, earnestly)
7
toilsomely(adverb, badly, vigorously, hardly)
5
hardly(adverb, badly, vigorously, extremely)
4
painfully(adverb, badly, vigorously, disturbingly)
4
with difficulty(expression, idiom, adverb, badly)
4
awkwardly(adverb, badly, vigorously, hardly)
4
burdensomely(adverb, hard, badly, vigorously)
3
harshly(adverb, badly, vigorously, hardly)
3
inconveniently(adverb, badly, vigorously, hardly)
2
carefully(adverb, badly, vigorously, earnestly)
2
exhaustingly(adverb, hard, badly, vigorously)
2
vigorously(adverb, badly, earnestly, hastily)
1
agonizingly(adverb, badly, vigorously, hardly)
1
anxiously(thoroughly, fully, precisely, correctly)
1
attentively(thoroughly, fully, precisely, correctly)
1
badly(adverb, vigorously, hardly, painfully)
1
cautiously painstakingly(expression, thoroughly, fully, precisely)
1
circumspectly(thoroughly, fully, precisely, correctly)
1
concernedly(thoroughly, fully, precisely, correctly)
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APASmart Define. (2016). laboriously thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/laboriously/thesaurus/synonyms
ChicagoSmart Define. 2016. "laboriously thesaurus" https://smartdefine.org/laboriously/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, laboriously thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/laboriously/thesaurus/synonyms>.
MLASmart Define. "laboriously thesaurus" 19 February 2016. Web. 26 September 2026. <https://smartdefine.org/laboriously/thesaurus/synonyms>