149 entries under important topic. ×
| pressing(adjective, hard, tough, difficult, big) | |
| dangerous(adjective, help, bad, great, severe) | |
| crucial(adjective, great, severe, extraordinary, big) | |
| meaningful(adjective, good, great, severe, extraordinary) | |
| acute(adjective, severe, harsh, heavy) | |
| big(adjective, good, importance, heavy) | |
| urgent(adjective, hard, tough, severe, difficult) | |
| material(adjective, good, importance, big, heavy) | |
| considerable(adjective, importance, big, heavy) | |
| key(adjective, importance, valuable, main) | |
| deep(adjective, keen, significant, thoughtful) | |
| essential(adjective, severe, importance, big) | |
| influential(adjective, good, great, importance) | |
| notable(adjective, great, extraordinary, importance, unusual) | |
| major(adjective, great, unpleasant, heavy) | |
| outstanding(adjective, great, importance, unusual) | |
| steady(adjective, calm, set, cool, firm) | |
| terrible(adjective, bad, great, difficult, extraordinary) | |
| remarkable(adjective, importance, unusual, famous) | |
| dignified(adjective, calm, cool, severe) |
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| APA | Smart Define. (2016). serious thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/serious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, serious thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/serious/thesaurus/synonyms>. |
| MLA | Smart Define. "serious thesaurus" 24 February 2016. Web. 24 September 2026. <https://smartdefine.org/serious/thesaurus/synonyms> |