1. A romantic relationship between two people who have made a formal commitment to each other, typically implying exclusivity and long-term partnership
After dating for two years, they decided to have a committed relationship.
Depois de namorarem por dois anos, decidiram ter um relacionamento comprometido.
2. A serious romantic bond where both partners are dedicated to the relationship and future together
They have a committed relationship and are planning to get married.
Eles têm um relacionamento comprometido e estão planejando se casar.