Infirm and Undoubtful

Infirm

Infirm adjective - Lacking bodily strength.

Undoubtful is an antonym for infirm.

Nearby Word: infirmity

Undoubtful

Definitions of Infirm not found.

Infirm is an antonym for undoubtful in certain topic.
Cite this Source
Undoubtful and Infirm. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/infirm/undoubtful
Infirm & Undoubtful. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/infirm/undoubtful>.
Undoubtful or Infirm. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/infirm/undoubtful.
Google Ngram Viewer shows how "infirm" and "undoubtful" have occurred on timeline