- Definitions|2
- Thesaurus|2.8k
- Abbreviations|0
113 entries under dull topic. ×
| slothful(adjective, stupid, still, idle) | |
| slumberous(adjective, stupid, still, idle) | |
| snoozy(adjective, weak, easy, slow) | |
| somnolent(adjective, relaxed, stupid, weary) | |
| stretchy(adjective, stupid, idle, weary) | |
| stupefied(adjective, stupid, idle, weary) | |
| stupid(slow, unresponsive, lethargic, languid) | |
| wimpy(adjective, weak, easy, slow) | |
| anesthetic(adjective, slow, unfeeling, unemotional) | |
| blockheaded(slow, stupid) | |
| boorish(slow, stupid) | |
| bromidic(adjective, simple, uninteresting, ironic) | |
| dreary(adjective, simple, uninteresting, ironic) | |
| dull as dishwater(expression, adjective, idiom, simple) | |
| dumb(slow, stupid, unresponsive) | |
| fatheaded(slow, stupid) | |
| ho hum(expression, adjective, simple, dreary) | |
| ignorant(adjective, slow, stupid) | |
| imbecilic(slow, stupid) | |
| inelaborate(adjective, simple, dreary, uninteresting) |
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| APA | Smart Define. (2015). impassive thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/impassive/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impassive thesaurus" https://smartdefine.org/impassive/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, impassive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/impassive/thesaurus/synonyms>. |
| MLA | Smart Define. "impassive thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/impassive/thesaurus/synonyms> |