239 entries under important topic. ×
| carrying a lot of weight(expression, adjective, idiom, critical) | |
| deep(adjective, good, strong, tough, severe) | |
| epochal | |
| famous(adjective, strong, extraordinary, powerful) | |
| far-reaching(adjective, severe, big, substantial) | |
| full(adjective, lively, exciting, busy) | |
| germane(adjective, substantial, serious, applicable) | |
| grievous(adjective, great, tough, severe, heavy) | |
| heavyweight(great, big, heavy, substantial) | |
| high-ranking(adjective, rank, post, prominent) | |
| huge(adjective, substantial, large, extensive) | |
| imperative(adjective, big, determined, substantial) | |
| importunate(adjective, great, big, substantial) | |
| indispensable(adjective, original, serious, essential) | |
| life-and-death(adjective, heavy, critical, vital) | |
| mean(verb, adjective, essential, basic) | |
| mind-blowing(adjective, moving, unusual, exceptional) | |
| name(strong, powerful, essential, critical) | |
| paramount(adjective, good, original, serious) | |
| proper(adjective, good, appropriate, sensible, fair) |
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| APA | Smart Define. (2016). significant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/significant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, significant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>. |
| MLA | Smart Define. "significant thesaurus" 4 March 2016. Web. 23 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms> |