If you're unsure what that term means, Google is your friend — try searching for it online before asking someone.

I only ever see him at work events; he's basically a hi-bye friend.

They decided to stop pretending and admit they were more than friends.

After she lost her job, she realized that many of her fair-weather friends had disappeared.

Language teachers warned students that partial false friends could lead to awkward mistakes when translating idioms.

I've learned to be cautious around fair weather friends who disappear when problems arise.

My grandmother always said that diamonds are a girl's best friend, so she prioritized saving for a ring over romantic dinners.

In the messy politics of the region, many leaders remember that the enemy of your enemy is your friend and form temporary alliances.

Faced with a shared threat, the generals observed that the enemy of my enemy is my friend and negotiated a temporary truce with a former adversary.

In the complex world of diplomacy, my enemy's enemy is my friend, so we formed a temporary alliance.