Romantic idioms in English
Idioms - Vocabulary - B1/B2

❤️ Love Language: 15 Romantic & Relationship Idioms

By a British native speaker - 8th February 2026
Idioms Relationships British English

Whether you’re talking about your crush, your partner, or your ex who still owes you money, English has no shortage of romantic idioms.

They’re charming, cheeky, and perfect for conversation practice — just maybe not on a first date.

Here are 15 romantic idioms with clear meanings and real examples.

💞 15 Love & Relationship Idioms

Head over heels

Completely in love.

He’s head over heels for her — it’s actually quite sweet.

Love at first sight

To fall in love instantly.

It was love at first sight when they met in Paris.

The apple of someone’s eye

Someone very precious or loved.

His daughter is the apple of his eye.

Have a crush on someone

To be infatuated with someone.

I’ve had a crush on my gym instructor for months.

Pop the question

To propose marriage.

After five years together, he finally popped the question.

Tie the knot

To get married.

They tied the knot in a small countryside ceremony.

Made for each other

Perfectly suited or compatible.

You two are made for each other — it’s ridiculous.

Go Dutch

Each person pays for themselves on a date.

We went Dutch — equality and all that.

Butterflies in your stomach

To feel nervous or excited.

I still get butterflies every time I see her.

On the rocks

A relationship that is in trouble.

Things have been a bit on the rocks lately.

Kiss and make up

To forgive after an argument.

We had a massive row, but we kissed and made up.

Break someone’s heart

To make someone very sad.

She broke his heart when she moved abroad.

Be seeing someone

To be dating or in a relationship.

Are you seeing anyone at the moment?

Go your separate ways

To end a relationship.

After university, they decided to go their separate ways.

Love is blind

When you don’t see your partner’s flaws.

She can’t see that he’s a disaster — love is blind.

So there you go — a little romance, a few heartbreaks, and plenty of new phrases to sweeten your English.

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