fair-weather

[ fair-weth-er ]
/ ˈfɛərˌwɛð ər /

adjective

used in or intended for fair weather only.
weakening or failing in time of trouble: His fair-weather friends left him when he lost his money.

Origin of fair-weather

First recorded in 1730–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fair-weather

British Dictionary definitions for fair-weather

fair-weather

adjective

suitable for use in fair weather only
not reliable or present in situations of hardship or difficulty (esp in the phrase fair-weather friend)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012