- Definitions|1
- Thesaurus|314
- Abbreviations|0
| not observant(expression, adjective, inattentive, unperceptive) | |
| obtuse(careless, stupid, unthinking, unperceptive) | |
| percursory | |
| pococurante(casual, happy-go-lucky, slapdash) | |
| precipitate(rash, oblivious, neglectful) | |
| puerile(careless, stupid, unthinking, obtuse, unperceptive) | |
| rantipole | |
| respectless | |
| scatter-brained | |
| scatty(distracted, scatterbrained, forgetful) | |
| senseless(careless, stupid, unthinking, obtuse, unperceptive) | |
| silly(careless, stupid, unthinking, obtuse, unperceptive) | |
| slack | |
| slipshod(casual, happy-go-lucky, slapdash) | |
| stupid(careless, unthinking, obtuse, unperceptive) | |
| unalert | |
| uncircumspect(casual, happy-go-lucky, slapdash) | |
| uncomprehending(adjective, blind) | |
| unguarded(casual, happy-go-lucky, slapdash) | |
| unreasonable(careless, stupid, unthinking, obtuse, unperceptive) |
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| APA | Smart Define. (2015). unobservant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unobservant/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unobservant thesaurus" https://smartdefine.org/unobservant/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, unobservant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unobservant/thesaurus/synonyms>. |
| MLA | Smart Define. "unobservant thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unobservant/thesaurus/synonyms> |