Invalid
Invalid adjective - Chronically or repeatedly suffering from poor health.
Out of service and invalid are semantically related. In some cases you can use "Out of service" instead an adjective "Invalid".
Out of service
Invalid and out of service are semantically related. Sometimes you can use "Invalid" instead an adjective phrase "Out of service".
Mutual synonyms
Cite this Source
Out of service and Invalid. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/invalid/out_of_service
Invalid & Out of service. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/invalid/out_of_service>.
Out of service or Invalid. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/invalid/out_of_service.