Crossword clues for ___ the loneliest number ...: three dog nightAnswerClueONEIS___ the loneliest number ... (Three Dog Night lyric)ONEIS___ the loneliest number ...: Three Dog NightONEThe loneliest number, to Three Dog NightONEThree Dog Night's "loneliest number"ONEThe loneliest number, in a Three Dog Night song