retrain /ˈɹiːtɹeɪn/noun 1/ɹiːˈtɹeɪn/ verb 1forms 3 noun1 •An instance of training again. retrain /ɹiːˈtɹeɪn/ verb1 •To train again; especially, to train or study in a new subject or jobNew York City's largest hospital has agreed to retrain some unionized employees whose jobs were to be eliminated under an austerity drive, the hospital and its largest labor union said yesterday. — 1989 formsretrained · retraining · retrains