Added 9 October 2026 moronic /mɔːˈɹɒnɪk/ adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about moronic at Wordnik → Where our words come from → Having a mental age of between eight and twelve years. Related Words: stupidunintelligentdumb-assidiotdopeydumbassidioticdaftinsanecrazyridiculoussilly Back to today's word