Added 9 October 2026 lustrous /ˈlʌ.stɹəs/ adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about lustrous at Wordnik → Where our words come from → Having a glow or lustre. As if shining with a brilliant light; radiant. Related Words: glisteningbrightshinyshiningglossypolishedburnishedglorioussheenynitidbrilliantglittering Back to today's word