wailingEnglishOxford New American Dictionarywailing /ˈwāliNG, ˈweɪlɪŋ / ▸ adjective crying with pain, grief, or anger: wailing toddlers. ▪ making a prolonged high-pitched sound: wailing sirens. – DERIVATIVES wailingly /ˈwāliNGlē, ˈweɪlɪŋli / adverb