Oxford Dictionary English tail end nounnoun BrE BrE//ˌteɪl ˈend// ; NAmE NAmE//ˌteɪl ˈend// [singular] Add to my wordlistjump to other resultsthe very last part of something the tail end of the queue I only caught the tail end of the conversation.See tail end in the Oxford Advanced American DictionaryCheck pronunciation: tail end oxfordlearnersdictionaries.com