go the extra mile UK /ˈɡəʊ ði ˈɛk.stɹə ˈmaɪl/US /ˈɡoʊ ði ˈɛk.stɹə ˈmaɪl/ verb1 •To make an extra effort; to do a particularly good job.President Reagan pledged at a news conference today “to go the extra mile” to compromise with Democrats. — 1982 formswent the extra mile · gone the extra mile · going the extra mile · goes the extra mile