- Definitions|2
- Thesaurus|934
- Abbreviations|0
| drag(noun, bother, nuisance, yawn, nonevent) | |
| draggy(adjective, dull, quiet, slow, heavy) | |
| drip(noun, bother, drag, nuisance, yawn) | |
| driveling(adjective, flat, stupid, ordinary, dry) | |
| droning(adjective, dull, flat, boring, tedious) | |
| drugged with sleep(expression, idiom) | |
| dull as dishwater(expression, adjective, idiom, dull, boring) | |
| dull person(noun, expression, bother, drag, nuisance) | |
| dusty(adjective, dull, boring, tedious, dreary) | |
| ennuyant | |
| faint(adjective, senseless) | |
| familiar(adjective, flat, stupid, ordinary, dry) | |
| flat as pancake(expression, adjective, idiom, dull, boring) | |
| flat tire(noun, expression, bother, drag, nuisance) | |
| goofball | |
| hackneyed(adjective, flat, stupid, ordinary, dry) | |
| hallucinogen | |
| hard stuff | |
| headache(noun, bother, drag, nuisance, yawn) | |
| heartless |
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| APA | Smart Define. (2015). soporific thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/soporific/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "soporific thesaurus" https://smartdefine.org/soporific/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, soporific thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/soporific/thesaurus/synonyms>. |
| MLA | Smart Define. "soporific thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/soporific/thesaurus/synonyms> |