Added 9 October 2026 wailful /ˈweɪlfəl/ adjective Categories: Describing WordsObscure Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about wailful at Wordnik → Where our words come from → Sorrowful; mournful. Origin From wail + -ful. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: lamentingsorrowfulwailingchoirsadfulplaintiveweepfultearfulwoefulmournsomemournfullamentful Back to today's word