1. having undergone a lobotomy (surgical procedure that removes or damages part of the brain)
Usage: medical; past participle used as adjective
2. appearing mentally dull or lacking normal emotional responses
Usage: figurative; sometimes considered insensitive

Examples

• The lobotomised patient showed little emotional reaction to visitors.
• After the procedure, he seemed lobotomised and distant from his family.
• The documentary explored the tragic stories of lobotomised mental patients.
• She stared with a lobotomised expression during the entire meeting.
• Many lobotomised individuals required lifelong care and supervision.