111 entries under sluggish topic. ×
| mooney(adjective, dull, slow, heavy) | |
| mothballed(dull, lazy, motionless, unmoving) | |
| motionless(verb, adjective, calm, dull, subdue) | |
| on hold(expression, dull, lazy, motionless) | |
| ossified(dull, lazy, motionless, unmoving) | |
| out of action(expression, idiom, dull, lazy) | |
| out of commission(expression, idiom, dull, lazy) | |
| out of it(expression, adjective, idiom, dull, careless) | |
| out of service(expression, idiom, dull, lazy) | |
| out of work(expression, idiom, dull, lazy) | |
| pokey(adjective, dull, slow, heavy) | |
| sleepyheaded(adjective, dull, slow, heavy) | |
| sluggard(adjective, dull, slow, heavy, still) | |
| slumberous(adjective, dull, slow, heavy, still) | |
| snoozy(dull, careless, idle, lazy) | |
| somnolent(dull, idle, lazy, inactive) | |
| stable(dull, lazy, motionless, unmoving) | |
| stiff(adjective, dull, moderate, low, slow) | |
| sullen(adjective, dull, slow, heavy) | |
| thoughtless(adjective, dull, careless, indifferent) |
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| APA | Smart Define. (2016). slack thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/slack/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "slack thesaurus" https://smartdefine.org/slack/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, slack thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/slack/thesaurus/synonyms>. |
| MLA | Smart Define. "slack thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/slack/thesaurus/synonyms> |