- Definitions|2
- Thesaurus|934
- Abbreviations|0
212 entries under adjective topic. ×
| Lethean | |
| allaying | |
| automatic | |
| automaton-like | |
| banausic | |
| bland | |
| changeless | |
| comforting | |
| dazed(tired, lethargic, sleepy, drowsy) | |
| deadly(dull, dry, boring, tedious) | |
| dulling | |
| endless | |
| everyday | |
| laborious | |
| lackluster(dry, boring, tedious, monotonous) | |
| long-winded | |
| mesmerizing | |
| monotonic | |
| nowhere(dull, boring, tedious, dreary) | |
| over-long |
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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> |