nonreligious person non·re·li·giousperson uncommon noun 1. a person who does not manifest devotion to a deity Synonymsnonreligious person Antonymsreligionist Related words Broader terms person Narrower terms agnosticblasphemerdeistdisbelieverheathennihilistpositivist WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.