Definition of fair-weather adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈfeə weðə(r)//
; NAmE NAmE//ˈfer weðər//
[only before noun] (disapproving)
jump to other results
(of people) behaving in a particular way or doing a particular activity only when it is pleasant for them a fair-weather friend (= somebody who stops being a friend when you are in trouble)
See the Oxford Advanced American Dictionary entry: fair-weather