Assiduous and Lifeless

Assiduous

Assiduous adjective - Involved in often constant activity.
Usage example: the fascinating sight of assiduous ants carrying food into the anthill

Lifeless is an antonym for assiduous.

Nearby Words: assiduity, assiduousness

Lifeless

Lifeless adjective - No longer living.

Assiduous is an antonym for lifeless.

Nearby Words: life, lifelessly
Cite this Source
Lifeless and Assiduous. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/assiduous/lifeless
Assiduous & Lifeless. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/assiduous/lifeless>.
Lifeless or Assiduous. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/assiduous/lifeless.
Google Ngram Viewer shows how "assiduous" and "lifeless" have occurred on timeline