From Longman Dictionary of Contemporary Englishsadlysad‧ly /ˈsædli/ ●●○ adverb 🔊 🔊 1SAD/UNHAPPYin a way that shows that you are sad syn unhappily 🔊 Peter shook his head sadly.2[sentence adverb]PITY/IT'S A PITY unfortunately 🔊 Sadly, the business failed.3very much – used when talking about bad situations or states 🔊 The garden’s been sadly neglected. 🔊 Good restaurants were sadly lacking. 🔊 He was a popular man who will be sadly missed. 🔊 I’m afraid you’re going to be sadly disappointed. 🔊 If you think you’ll get any money from him, you’re sadly mistaken.