Added 10 October 2026 exclusiveness noun Categories: Describing WordsRare Words noun ! Definition from WordNet 3.1, Princeton University. More about exclusiveness at Wordnik → Where our words come from → Tendency to associate with only a select group. Related Words: cliquishnessclannishnessexclusivityuniquenessalienationmarginalizationexclusionostracismexcludedisqualificationrejectionopt-out Back to today's word