Coolheaded and Careless
Opposite meaning words
Coolheaded
Coolheaded adjective - Free from emotional or mental agitation.
Careless
Careless adjective - Not paying or showing close attention especially for the purpose of avoiding trouble.
Coolheaded is an antonym for careless.
Cite this Source
Careless and Coolheaded. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/coolheaded/careless
Coolheaded & Careless. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/coolheaded/careless>.
Careless or Coolheaded. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/coolheaded/careless.
Google Ngram Viewer shows how "coolheaded" and "careless" have occurred on timeline