134 entries under sincere topic. ×

7
stormy(adjective, intense, passionate, enthusiastic, lively)
7
strong(adjective, difficult, intense, energetic, passionate)
7
tender(adjective, love, kind, moving, keen)
7
violent(adjective, strong, keen, difficult, intense)
6
genial(adjective, person, warm, energetic, enthusiastic)
6
genuine(adjective, person, close, correct, warm)
6
gushing(adjective, person, feeling, warm, energetic)
6
serious(adjective, complete, keen, warm, total)
5
responsive(adjective, kind, moving, keen, warm)
5
sympathetic(adjective, love, kind, tender, deep)
5
vivacious(adjective, strong, warm, intense, energetic)
4
diligent(adjective, strong, passionate, powerful, deep)
4
emphatic(adjective, complete, warm, total, intense)
4
sedulous(adjective, strong, passionate, heartfelt)
4
urgent(adjective, strong, passionate, desirous)
3
adoring(adjective, tender, passionate, caring, fervent)
3
angry(adjective, intense, passionate, violent, enthusiastic)
3
ebullient(adjective, strong, keen, warm, intense)
3
excitable(adjective, moving, passionate, enthusiastic, lively)
3
gung ho(expression, adjective, strong, concern, keen)
10 years ago|31k views|share |citing 
APASmart Define. (2016). ardent thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/ardent/thesaurus/synonyms
ChicagoSmart Define. 2016. "ardent thesaurus" https://smartdefine.org/ardent/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, ardent thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/ardent/thesaurus/synonyms>.
MLASmart Define. "ardent thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/ardent/thesaurus/synonyms>