100 entries under careless topic. ×
| snoozy(dull, idle, sluggish, lazy) | |
| thoughtless(adjective, dull, indifferent, sluggish) | |
| trifling(dull, idle, sluggish, inactive) | |
| unenergetic(dull, idle, sluggish, dubious) | |
| unindustrious(dull, idle, sluggish, dubious) | |
| unpersevering(dull, idle, sluggish, inactive) | |
| unready(adjective, dull, indifferent, idle) | |
| unthinking(adjective, indifferent, sloppy, inattentive) | |
| unwitting(adjective, vague, sloppy, inattentive) | |
| woolgathering(adjective, slow, indifferent, sloppy) | |
| yielding(adjective, weak, soft, tolerant) | |
| cursory(adjective, indifferent, sloppy, inattentive) | |
| discinct(adjective, indifferent, sloppy, inattentive) | |
| failing(adjective, negligent, slipshod) | |
| incurious(adjective, indifferent, sloppy, inattentive) | |
| offhand(adjective, indifferent, sloppy, inattentive) | |
| undependable(adjective, negligent) | |
| unheedful(adjective, indifferent, sloppy, inattentive) | |
| unreliable(adjective, negligent) | |
| untrustworthy(adjective, dubious, lazy, suspicious) |
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| APA | Smart Define. (2016). slack thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/slack/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "slack thesaurus" https://smartdefine.org/slack/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, slack thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/slack/thesaurus/synonyms>. |
| MLA | Smart Define. "slack thesaurus" 26 February 2016. Web. 26 September 2026. <https://smartdefine.org/slack/thesaurus/synonyms> |