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

Contemporary Examples of fair-weather

Historical Examples of fair-weather

  • I am assured, at least, that in you I have but a fair-weather friend, a poor lipserver.

    St. Martin's Summer

    Rafael Sabatini

  • As she said of herself a few years later, she was not a fair-weather friend.

    Mary Wollstonecraft

    Elizabeth Robins Pennell

  • "Ask him what he wants," I cried, turning to our fair-weather friend, the cook.

    Hilda Wade

    Grant Allen

  • It is a fair-weather sign, whether upon the sea or upon the land.

    Fresh Fields

    John Burroughs

  • The flying men at the front are not "fair-weather" aviators.

British Dictionary definitions for fair-weather



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