Definitions

fair-weather

[fair-weth-er] / ˈfɛərˌwɛð ər /

ADJECTIVE

untrustworthy

Synonyms

STRONGEST

deceitful dishonest disloyal false irresponsible treacherous unreliable unsafe

STRONG

untrusty

WEAK

capricious conniving crooked devious dubious faithless fickle fink fly-by-night guileful questionable shady sharp shifty slippery sneaky tricky trustless two-faced two-timing unassured undependable unsure untrue

Antonyms

STRONGEST

faithful frank harmless honest loyal open reliable responsible true trustworthy truthful

WEAK

dependable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But Rocket Lab retail investors are not just fair-weather friends.

From MarketWatch • Jun. 10, 2026

Washington may be tempted to move its bases from the Persian Gulf region since many of them sustained substantial damage, and our Arab allies can be fair-weather friends.

From The Wall Street Journal • Jun. 4, 2026

But Sunak gamely stuck it out, later commenting that he was "not a fair-weather politician" and confirming he'd be taking an umbrella on the campaign trail.

From BBC • Dec. 25, 2024

Now, I get it: I love this show personally and cover it professionally, so I have a vested interest in it that sometimes goes beyond what more casual or fair-weather viewers might think of it.

From Salon • Jun. 5, 2024

Chup led Frightful higher and higher, to the misty bottom of a fair-weather cumulus cloud.

From "Frightful's Mountain" by Jean Craighead George

fair-weather

Example Sentences

Related Words