105 entries under earnest topic. ×
| heartfelt(adjective, open, keen, warm, honest) | |
| hearty(adjective, complete, keen, warm, total) | |
| wholehearted(adjective, open, keen, warm, honest) | |
| calm(adjective, cool, tough, sensible, relaxed) | |
| devout(adjective, open, keen, warm, honest) | |
| burning(adjective, keen, warm, intense, passionate) | |
| cool(adjective, calm, sensible, unusual, relaxed) | |
| faithful(adjective, open, firm, honest, true) | |
| fervid(adjective, keen, intense, passionate, enthusiastic) | |
| hot(adjective, great, keen, warm, intense) | |
| serene(adjective, calm, cool, sensible, relaxed) | |
| straightforward(open, honest, true, rational, straight) | |
| warm(adjective, complete, keen, total, intense) | |
| capital(adjective, severe, important, significant, critical) | |
| dear(adjective, open, honest, true, straightforward) | |
| dependable(adjective, honest, sensible, pure, steady) | |
| imperturbable(adjective, calm, cool, sensible, dark) | |
| reliable(adjective, honest, sensible, pure, steady) | |
| sensible(adjective, calm, relaxed, pure, rational) | |
| vehement(adjective, keen, warm, intense, passionate) |
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| APA | Smart Define. (2016). serious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/serious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, serious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/serious/thesaurus/synonyms>. |
| MLA | Smart Define. "serious thesaurus" 24 February 2016. Web. 28 September 2026. <https://smartdefine.org/serious/thesaurus/synonyms> |