30 entries under tenaciously topic. ×

2
stubbornly(adverb, resolutely)
2
toughly(adverb, resolutely)
2
truly(adverb, resolutely)
1
bravely
1
enduringly
1
obstinately
1
stiffly
1
stonily
1
strongly
1
undauntedly
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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>