Added 9 October 2026 activeness noun Categories: Describing WordsObscure Words noun ! Definition from Wiktionary (CC BY-SA). More about activeness at Wordnik → Where our words come from → The state or quality of being active. Related Words: activityactionhyperactivenessreactivenessactionalitylivingnessactualnessinactivenessagentivityalivenessactualityactionness Back to today's word