Invalid and Official

Invalid

Invalid adjective - Chronically or repeatedly suffering from poor health.

Official is an antonym for invalid.

Official

Official adjective - Ordered or allowed by those in authority.

Invalid is an antonym for official in authorized topic.

How words are described

permanent permanent invalid permanent official
elderly elderly invalid elderly official
Cite this Source
Official and Invalid. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/invalid/official
Invalid & Official. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/invalid/official>.
Official or Invalid. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/invalid/official.
Google Ngram Viewer shows how "invalid" and "official" have occurred on timeline