Main Entry: re·lease Pronunciation (r-ls) tr.v. re·leased, re·leas·ing, re·leas·es To relinquish. A deliverance or liberation, as from confinement, restraint, or suffering. An authoritative discharge, as from an obligation or from prison. An unfastening or letting go of something caught or held fast. A device or catch for locking or releasing a mechanism. The condition of being available, in use, or in publication: a movie in wide release. To relieve of care and suffering. To make known or available.