162 entries under substantial topic. ×
| evident(significant, definite, considerable) | |
| grave(big, significant, valuable, vital) | |
| manifest(significant, definite, considerable) | |
| much(significant, quite, fairly, moderately) | |
| no end in sight(expression, adjective, idiom, heavy) | |
| noteworthy | |
| observable(significant, definite, considerable) | |
| palpable(significant, considerable) | |
| perceivable(significant, definite, considerable) | |
| perceptible(significant, considerable) | |
| plain(significant, definite, considerable) | |
| plenty(great, generous, abundant, sufficient) | |
| pronounced(significant, definite, considerable) | |
| reasonable | |
| recognizable(significant, definite, considerable) | |
| solid gold(expression, significant) | |
| stinking with(expression, adjective, heavy, rich) | |
| tangible(significant, definite, considerable) | |
| unreal(outstanding, significant, impressive, imposing) | |
| venerable |
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| APA | Smart Define. (2016). large thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/large/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "large thesaurus" https://smartdefine.org/large/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, large thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/large/thesaurus/synonyms>. |
| MLA | Smart Define. "large thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/large/thesaurus/synonyms> |