Careful and Perfunctory

Careful

Careful adjective - Exercising caution or showing care or attention.
Usage example: careful about one's behavior

Perfunctory is an antonym for careful.

Perfunctory

Perfunctory adjective - Having or showing a lack of interest or concern.

Careful is an antonym for perfunctory in topics: offhand, automatic.
Cite this Source
Perfunctory and Careful. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/careful/perfunctory
Careful & Perfunctory. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/careful/perfunctory>.
Perfunctory or Careful. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/careful/perfunctory.
Google Ngram Viewer shows how "careful" and "perfunctory" have occurred on timeline