116 entries under adverb topic. ×

11
arduously(easy, badly, severely, vigorously)
10
hard(easy, badly, thoroughly, fully)
9
strenuously(badly, severely, vigorously, earnestly)
8
industriously(vigorously, earnestly, actively, hastily)
7
difficultly(easy, difficultly)
7
onerously(difficultly, strenuously)
7
toilsomely(badly, severely, vigorously, hardly)
6
assiduously(thoroughly, vigorously, earnestly, hastily)
6
diligently(vigorously, earnestly, actively, hastily)
5
hardly(badly, severely, vigorously, extremely)
5
indefatigably(vigorously, earnestly, actively, hastily)
5
sedulously
4
heavily(easy, seriously, deeply, slowly)
4
mightily
4
painfully(badly, severely, vigorously, disturbingly)
4
toughly
4
with difficulty(expression, idiom, badly, severely)
4
ardently(vigorously, earnestly, actively, hastily)
4
awkwardly(badly, severely, vigorously, hardly)
4
burdensomely(hard, badly, severely, vigorously)
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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>