1. to agree to something unwillingly or with hesitation, showing reluctance or doubt
She reluctantly agreed to attend the meeting despite her busy schedule.
Ela concordou relutantemente em participar da reunião apesar de sua agenda ocupada.
2. to give consent with visible or expressed resistance or reservation
He reluctantly agreed to lend his car to his brother.
Ele concordou relutantemente em emprestar seu carro para seu irmão.