Friends & Family idioms
Idioms - Vocabulary - B1/B2

Friends & Family: 20 Idioms for Relationships and Reunions

By NativeUK - 22nd March 2026
Idioms Relationships British English

From the people we love to the ones who drive us completely mad—family and friends are a cornerstone of daily life, and British English has an idiom for almost every type of relationship.

Whether you've just hit it off with a new mate or you're dealing with the black sheep of the family, using the right idiom can make your English sound instantly more natural and fluent.

Here are 20 essential friends and family idioms you'll actually hear in everyday conversations in the UK. We've included clear meanings and natural examples, so you can steal a few for your next chat or reunion!

20 Friends & Family Idioms

hit it off

became friends very quickly

We hit it off immediately at the party.

drift apart

slowly become less friendly or close to each other

They were best friends in school, but they drifted apart over time.

get off on the wrong foot

started our relationship badly

I'm sorry we got off on the wrong foot; can we start over...

fair-weather friend

a friend who deserts you when you have difficulties

I realized he was just a fair-weather friend when I lost my job.

mutual friend

a shared friend of two people

We met through a mutual friend at a wedding.

kept in touch

continued to be in contact with

We've kept in touch for over twenty years.

made friends with

became friends with

She quickly made friends with her new coworkers.

soulmate

the perfect person to be a friend or partner

After years of searching, he finally found his soulmate.

lose touch with

no longer being in contact with

I've lost touch with most of my old school friends.

flesh and blood

close family, such as parents, sons, daughters, brothers, and sisters

I have to help him; he's my own flesh and blood.

family heirloom

an object that has been passed down through generations

This ring is a family heirloom from my great-grandmother.

black sheep of the family

someone who brings shame or is the odd one in the family

My uncle was the black sheep of the family.

extended family

wider family, such as grandparents, cousins, nephews, and nieces

We invited our entire extended family to the reunion.

upbringing

teaching a child how to behave

His strict upbringing made him very disciplined.

run in the family

is a common feature in our family

Musical talent seems to run in the family.

spitting image

almost identical to

He's the spitting image of his father.

dead ringer

looks extremely similar

That guy is a dead ringer for a famous actor.

two peas in a pod

extremely similar to each other

Those two brothers are like two peas in a pod.

the apple of my eye

a person I am very fond or proud of

His youngest daughter is the apple of his eye.

a shoulder to cry on

a sympathetic and supportive person

She's always been a good shoulder to cry on when things go wrong.

How to Use These Like a Pro

A quick word of advice: Many of these idioms are informal and playful, making them perfect for chats with people you know well. They can range from incredibly warm (like soulmate or the apple of my eye) to a bit cheeky or even savage (looking at you, black sheep).

If you're not entirely sure about the context yet, stick to safe, natural staples like we hit it off and we kept in touch. And remember, calling someone a fair-weather friend as a joke down the pub is fine, but maybe avoid saying it to your boss!

For even more related language, be sure to check out our Family Vocabulary guide.

Now go out there and sound natural, confident, and just the right amount of British!

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