- Definitions|2
- Thesaurus|934
- Abbreviations|0
212 entries under adjective topic. ×
| run-of-the-mill(flat, stupid, ordinary, dry) | |
| samely(dull, flat, boring, tedious) | |
| senseless | |
| sing-song(dull, flat, boring, tedious) | |
| sleeping(dull, quiet, slow, heavy) | |
| slumbersome(dull, quiet, slow, heavy) | |
| slumbrous(effect, affect, characteristics) | |
| stale(dull, flat, ordinary, dry) | |
| stock(flat, stupid, ordinary, dry) | |
| stupefacient | |
| stuporific | |
| swooning | |
| tame(flat, stupid, ordinary, dry) | |
| thick-witted | |
| toneless(dull, boring, tedious, dreary) | |
| trance-like | |
| trite(dull, flat, stupid, ordinary) | |
| unchanged(dull, flat, boring, tedious) | |
| unchanging(dull, flat, boring, tedious) | |
| unending |
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| APA | Smart Define. (2015). soporific thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/soporific/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "soporific thesaurus" https://smartdefine.org/soporific/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, soporific thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/soporific/thesaurus/synonyms>. |
| MLA | Smart Define. "soporific thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/soporific/thesaurus/synonyms> |