Brain-dead
Brain-dead adjective - Not having or showing an ability to absorb ideas readily.
Usage example: it seems like she's always doing some brain-dead thing or another
Invalid and brain-dead are semantically related. In some cases you can use "Invalid" instead an adjective phrase "Brain-dead".
Invalid
Invalid adjective - Chronically or repeatedly suffering from poor health.
Brain-dead and invalid are semantically related. Sometimes you can use "Brain-dead" instead an adjective "Invalid".
Mutual synonyms
Cite this Source
Invalid and Brain-dead. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/brain-dead/invalid
Brain-dead & Invalid. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/brain-dead/invalid>.
Invalid or Brain-dead. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/brain-dead/invalid.
