Invalid and Within reason

Invalid

Invalid adjective - Chronically or repeatedly suffering from poor health.

Within reason is an antonym for invalid.

Within reason

Definitions of Invalid not found.

Invalid is an antonym for within reason in moderate topic.
Cite this Source
Within reason and Invalid. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/invalid/within_reason
Invalid & Within reason. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/invalid/within_reason>.
Within reason or Invalid. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/invalid/within_reason.
Google Ngram Viewer shows how "invalid" and "within reason" have occurred on timeline