1. A personal, private, or sensitive subject related to one's private life, relationships, or body
She didn't feel comfortable discussing intimate matters with strangers.
Ela não se sentia confortável discutindo assuntos íntimos com estranhos.
2. Issues or topics of a sexual or romantic nature
The doctor asked about intimate matters during the health consultation.
O médico perguntou sobre assuntos íntimos durante a consulta de saúde.