Faulty and Invalid

Faulty

Faulty adjective - Having a fault.

Invalid is a synonym for faulty in incorrect topic. In some cases you can use "Invalid" instead an adjective "Faulty", when it comes to topics like false, impaired.

Invalid

Invalid adjective - Chronically or repeatedly suffering from poor health.

Faulty is a synonym for invalid in false topic. You can use "Faulty" instead an adjective "Invalid", if it concerns topics such as property.

Cite this Source
Invalid and Faulty. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/faulty/invalid
Faulty & Invalid. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/faulty/invalid>.
Invalid or Faulty. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/faulty/invalid.
Google Ngram Viewer shows how "faulty" and "invalid" have occurred on timeline