Brain-dead and Percipient

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

Percipient is an antonym for brain-dead.

Percipient

Percipient adjective - Characterized by ease and quickness in perceiving.

Brain-dead is an antonym for percipient.
Cite this Source
Percipient and Brain-dead. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/brain-dead/percipient
Brain-dead & Percipient. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/brain-dead/percipient>.
Percipient or Brain-dead. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/brain-dead/percipient.