vent 1. the expression or release of a strong emotion, energy, etc. "children give vent to their anger in various ways" verb 2. give free expression to (a strong emotion). "he had come to vent his rage and despair" synonyms: release, air, give vent to, give free rein to, let out, pour out, express, give expression to, voice, give voice to, verbalize, ventilate, discuss, talk over, communicate "the crowd vented their fury on the police"