HyperDic: brain_dead

English > 1 sense of the expression *brain dead*:
ADJECTIVE	all	brain dead	having irreversible loss of brain function as indicated by a persistent flat electroencephalogram

English > *brain dead*: 1 sense > adjective 1
Meaning	Having irreversible loss of brain function as indicated by a persistent flat electroencephalogram.
Example	"was declared brain dead"
Broader	dead	no longer having or seeming to have or expecting to have life