Added 9 October 2026 nonclassical /nɑnˈklæsɪkəl/ adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about nonclassical at Wordnik → Where our words come from → Not classical. Not governed by the rules of Newtonian mechanics, or by the classical theory of electromagnetism. Origin From non- + classical. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: popularhillbillymodernfolkcountrypopwesternunclassicalnonclassicnonneoclassicalnonquasiclassicalnon-neoclassical Back to today's word