Definition of brain-damaged in US English:
 brain-damaged
adjectiveˈbreɪnˌdæmɪdʒdˈbrānˌdamijd
1Suffering from an injury to the brain that impairs its functions, especially on a permanent basis.
 she was irreversibly brain-damaged
 a neurologist who studies brain-damaged patients
 Example sentencesExamples
-  Some say that the biggest losers in litigation over brain-damaged babies are the parents of children whose cases are rejected by lawyers.
 -  The case of a severely brain-damaged 11- year-old will be heard at the Massachusetts Supreme Court tomorrow.
 -  You don't stop feeding them just because they are brain-damaged or retarded.
 -  The bitter family feud over the brain-damaged woman's right to life evolved into an unprecedented political battle.
 -  The husband speaks out about his emotional fight to have his brain-damaged wife's feeding tube removed.
 -  There are lots of cases across the country where the plug is quietly pulled on brain-damaged patients.
 -  The forceps were pressed too hard into his temples, leaving him permanently brain-damaged.
 -  In the brain-damaged patients, the sound of the voice prompted a pattern of brain activity similar to that of healthy participants.
 -  For each subject, the index is the proportion of tests that have resulted in the range characteristic of brain-damaged subjects.
 -  A raffle was organized by a devoted mother to raise cash for her brain-damaged daughter's treatment.
 
- 1.1offensive, informal  Extremely foolish or stupid.
 he's a treacherous brain-damaged old vulture