Added 9 October 2026 primaeval adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. More about primaeval at Wordnik → Where our words come from → Having existed from the beginning; in an earliest or original stage or state. aboriginal forests Related Words: primordialprimalprimevalaboriginalearlyarcheanhominineprehistoricalantediluvianazoicarchaeansomatogenic Back to today's word