1. to possess the ability to regulate one's emotions, desires, and behavior
She has self-control and doesn't eat sweets even when tempted.
Ela tem autocontrole e não come doces mesmo quando tentada.
2. to exercise restraint and discipline in one's actions and reactions
He has self-control in difficult situations and remains calm.
Ele tem autocontrole em situações difíceis e permanece calmo.