- Definitions|2
- Thesaurus|934
- Abbreviations|0
70 entries under noun topic. ×
| dull(adjective, dull, dry, boring) | |
| anaesthetic(adjective, dull, drug, dope) | |
| deadening(adjective, dull, sleepy, balmy) | |
| depressant(medicine, substance, agent) | |
| sleeping draught(expression, idiom, medicine, substance) | |
| tranquilliser | |
| barbiturate | |
| bore(drag, nuisance, yawn, nonevent) | |
| nodding(adjective, dull, quiet, tired) | |
| opium(medicine, substance, agent, narcotic) | |
| bromide(bother, drag, nuisance, yawn) | |
| bummer(bother, drag, nuisance, yawn) | |
| creep(bother, drag, nuisance, yawn) | |
| dart | |
| deadhead(bother, drag, nuisance, yawn) | |
| drag(bother, nuisance, yawn, nonevent) | |
| drip(bother, drag, nuisance, yawn) | |
| dull person(expression, bother, drag, nuisance) | |
| flat tire(expression, bother, drag, nuisance) | |
| headache(bother, drag, nuisance, yawn) |
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| APA | Smart Define. (2015). soporific thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/soporific/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "soporific thesaurus" https://smartdefine.org/soporific/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, soporific thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/soporific/thesaurus/synonyms>. |
| MLA | Smart Define. "soporific thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/soporific/thesaurus/synonyms> |