121 entries under important topic. ×
| hazardous(adjective, bad, severe, nasty, difficult) | |
| major(adjective, great, heavy, significant) | |
| desperate(adjective, severe, intense, extreme) | |
| dire(adjective, severe, extreme, serious) | |
| great(extraordinary, heavy, significant, extreme) | |
| risky(adjective, bad, delicate, heavy) | |
| basic(adjective, severe, original, essential) | |
| climacteric(adjective, safety) | |
| fundamental(adjective, severe, significant, original) | |
| imperative(adjective, big, determined, significant) | |
| key(adjective, significant, essential, basic) | |
| touchy(adjective, mean, bad, difficult, delicate) | |
| hairy(adjective, informal) | |
| necessary(adjective, big, significant, substantial) | |
| central(adjective, significant, essential, vital) | |
| exigent(adjective, hard, tough, difficult, big) | |
| tough(adjective, hard, difficult, harsh) | |
| deciding | |
| indispensable(adjective, original, serious, essential) | |
| instant(adjective, direct, prompt, importance) |
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| APA | Smart Define. (2016). critical thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/critical/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "critical thesaurus" https://smartdefine.org/critical/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, critical thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/critical/thesaurus/synonyms>. |
| MLA | Smart Define. "critical thesaurus" 16 February 2016. Web. 24 September 2026. <https://smartdefine.org/critical/thesaurus/synonyms> |