suffering from serious damage to the brain and needing machines to stay alive 脑死亡的 Doctors declared her clinically brain-dead. 医生宣布她临床上已死。
- (humorous)
very stupid and boring; not intelligent 愚笨的；愚不可耐的 I was afraid of becoming brain-dead after months at home. 我担心在家几个月后会死于脑袋。