147 entries under adverb topic. ×

3
unremittingly(thoroughly, seriously, vigorously, closely)
3
vigilantly(vigorously, earnestly, actively, hastily)
3
watchfully(thoroughly, carefully, meticulously, faithfully)
2
alertly(vigilantly, attentively)
2
arduously(vigorously, earnestly, actively, hastily)
2
boldly(resolutely, tenaciously)
2
courageously(resolutely, tenaciously)
2
dauntlessly(resolutely, tenaciously)
2
decisively(resolutely, tenaciously)
2
deliberately
2
earnestly(thoroughly, vigorously, closely, actively)
2
exactingly(fastidiously, vigilantly)
2
fastidiously(fastidiously, vigilantly)
2
fussily(fastidiously, vigilantly)
2
indomitably(resolutely, tenaciously)
2
intensely
2
mightily
2
observantly
2
particularly(fastidiously, vigilantly)
2
pluckily(resolutely, tenaciously)
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APASmart Define. (2015). diligently thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/diligently/thesaurus/synonyms
ChicagoSmart Define. 2015. "diligently thesaurus" https://smartdefine.org/diligently/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, diligently thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/diligently/thesaurus/synonyms>.
MLASmart Define. "diligently thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/diligently/thesaurus/synonyms>