Careless
Careless adjective - Not paying or showing close attention especially for the purpose of avoiding trouble.
Usage example: a careless mistake that caused the plane to crash
Observant
Observant adjective - Paying close attention usually for the purpose of anticipating approaching danger or opportunity.
Usage example: if you were more observant, you would perceive that something is troubling her deeply
Both words in one sentence
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Tamora Pierce's Daughter of the Lioness books have the Balitang sisters: Sarai, the older, beautiful social butterfly, who's by no means stupid (or even Book Dumb) but headstrong and somewhat careless; and Dove, the quiet, observant, bookish, oft-overlooked little sister.
Cite this Source
Observant and Careless. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/careless/observant
Careless & Observant. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/careless/observant>.
Observant or Careless. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/careless/observant.
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