Added 9 October 2026 membership noun Categories: SocietyDescribing WordsEveryday Words noun ! Definition from WordNet 3.1, Princeton University. More about membership at Wordnik → Where our words come from → The body of members of an organization or group. they polled their membership The state of being a member. Related Words: rankmemberincorporationworkforceannexationenrollmentpersonnelassociationenrolmentcandidaturecandidacyconstitution Back to today's word