Alertness and Carelessness
Opposite meaning words
Alertness
Alertness noun - A close attentiveness to avoiding danger.
Usage example: drove through the fog with extra alertness, as the road signs repeatedly warned of deer and moose crossings
Carelessness is an antonym for alertness.
Carelessness
Carelessness noun - Failure to take the care that a cautious person usually takes.
Usage example: the only errors you made were from carelessness, not lack of knowledge
Alertness is an antonym for carelessness.
Cite this Source
Carelessness and Alertness. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/alertness/carelessness
Alertness & Carelessness. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/alertness/carelessness>.
Carelessness or Alertness. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/alertness/carelessness.
Google Ngram Viewer shows how "alertness" and "carelessness" have occurred on timeline