Idioms for heart are phrases that use the word “heart” to talk about feelings, character, courage, memory, and choices.

They help you sound natural in English. They also show feeling, not just a body part. A plain word says “sad,” but a good phrase paints a picture.

This guide groups the phrases by direction so that you can pick the right one with care. You will find clear meanings, notes on origin where known, and simple examples. Tone notes show when a phrase fits work, school, family, and casual chat.

Quick Answer(Idioms for Heart)

Idioms for Heart include heart of gold, wear your heart on your sleeve, and take heart. People use them to talk about love, kindness, fear, sadness, hope, and choice.

• Best for everyday English: my heart sank, follow your heart, take heart.
• Best for work: get to the heart of the matter, take heart.
• Risky, avoid in formal writing: eat your heart out, bleeding heart.

Use three quick checks to pick a phrase:

1. Heart Map: Is the feeling warm or cold? Is it open or closed?
2. Direction Test: Do you feel it, cause it, show it, judge it, or choose it?
3. Time Test: Is it instant, lasting, or changing?

What Are Idioms for Heart?

These phrases use “heart” as a symbol for feeling and character. They do not talk about the organ in your chest.

In older English, people saw the heart as the home of love, courage, and thought. A heart phrase can point to a feeling, a choice, a memory, or a trait. It is easier to learn the phrases by direction than in a random list.

A literal sentence talks about the body: “The doctor checked my heart.” A heart idiom talks about feeling: “My heart sank.”

The Heart Map(Idioms for Heart)

Each phrase has a feeling (warm or cold) and a style (open or closed). Open means the feeling is shown. Closed means it is hidden or hard.

• Warm and open: heart of gold, big heart, wear your heart on your sleeve, pour your heart out.
• Warm and closed: close to my heart, after my own heart, set your heart on something.
• Cold and open: heartbroken, sick at heart.
• Cold and closed: heart of stone, harden your heart, heartless, halfhearted.

Idioms for Heart by Direction

Each entry has a tone tag: warm, cold, or neutral, plus instant, lasting, or changing.

1. I Feel It

My heart sank: A sudden loss of hope.
My heart sank when the coach left without our team.
Tone: cold, instant.

Heavy heart: Deep sadness that stays for a while.
She left home with a heavy heart on her first day at a new school.
Tone: cold, lasting.

Heart in my mouth: Sudden fear or shock.
My heart was in my mouth when the dog ran into the road.
Tone: cold, instant.

My heart skips a beat: A sudden jump of feeling, from love, fear, or surprise.
My heart skipped a beat when I heard my name called for the prize.
Tone: warm or cold, instant.

Heartbroken: Feeling deep pain after a loss or a break-up.
He felt heartbroken when his best friend moved to another town.
Tone: cold, lasting.

Sick at heart: Feeling so worried or sad that you feel ill inside.
I felt sick at heart when I read the bad news about my gran.
Tone: cold, lasting.

Faint of heart: A person who gets scared easily.
This ride is not for the faint of heart.
Tone: cold, lasting.

Halfhearted: Done with little interest or effort.
He made a halfhearted try to clean his room.
Tone: cold, lasting.

2. You Cause It in Me

Break someone’s heart: To cause deep emotional pain to another person.
She broke his heart when she ended their long friendship by text.
Tone: cold, changing.

Steal someone’s heart: To win love in a sudden, sweet way.
The new puppy stole my heart on the first day home.
Tone: warm, instant.

Win someone’s heart: To earn love or trust over time.
He won her heart with kind words and steady help at work.
Tone: warm, lasting.

Melt someone’s heart: To turn a hard feeling into warmth.
The baby’s smile melted my heart after a long, hard day.
Tone: warm, changing.

Tug at your heartstrings: To pull at deep feeling, often with a sad or sweet story.
The film about the lost dog tugged at my heartstrings.
Tone: warm or cold, instant.

Nearly gave me a heart attack: A shock so strong it feels like a health scare. Use it as a joke only.
You nearly gave me a heart attack when you jumped out from behind the door.
Tone: cold, instant.

Eat your heart out: Today, a boastful taunt that means “I am better off than you.” In older use, it meant to suffer in silence. Use it as a joke only.
Eat your heart out, I got the last ticket for the show.
Tone: cold, instant. Risky.

Harden your heart: To stop yourself from feeling pity or love.
He hardened his heart and refused to help his brother.
Tone: cold, changing.

3. I Show It to You

Wear your heart on your sleeve: To show your feelings openly, for all to see.
Ana wears her heart on her sleeve, so you always know how she feels.
Tone: warm, lasting. It is not rude. It just describes an open person.
Origin: Often traced to Shakespeare’s play Othello. A story about medieval knights wearing a lady’s token on their sleeve is often told, but it is not proven.

Pour your heart out: To tell all your deep feelings at once.
After the exam, Maya poured her heart out to her sister on the phone.
Tone: warm, changing.

Bare your heart: To open up about a private feeling.
In his letter, Tom bared his heart about his fear of failing.
Tone: warm, changing.

Speak from the heart: To talk with honesty, not from notes.
The teacher spoke from the heart about why reading matters.
Tone: warm, lasting.

Cross my heart: A promise that you are telling the truth or will do what you say. Children often use it.
Cross my heart, I will return your book tomorrow.
Tone: warm, instant. Casual only, never formal.

Heart-to-heart: A deep, private talk between two people.
Dad and I had a heart-to-heart about my move to a new school.
Tone: warm, lasting.

From the bottom of my heart: Thanks or feeling that comes from deep inside.
From the bottom of my heart, thank you for your help this week.
Tone: warm, lasting. Good for cards and speeches.

4. I Judge It in Someone

Heart of gold: A kind, generous character.
Our neighbour has a heart of gold, and she helps all the old people on our street.
Tone: warm, lasting.
Origin: Often linked to Shakespeare’s Henry V (1599). Some say it is older, but this is not settled.

Heart of stone: A cold, unfeeling character.
The boss showed a heart of stone when he cut pay with no warning.
Tone: cold, lasting.

Big heart: A generous, caring nature.
My aunt has a big heart, and her house is always open to friends.
Tone: warm, lasting.

Cold-hearted: Lacking pity or warmth.
It felt cold-hearted to laugh at the new boy on his first day.
Tone: cold, lasting.

Heartless: Cruel, with no pity at all.
It was heartless to leave the dog out in the rain all night.
Tone: cold, lasting. A strong word.

Heart in the right place: Good intent, even when the result goes wrong.
His heart is in the right place, though his plan needs more work.
Tone: warm, lasting.

Young at heart: Feeling young and playful, whatever your age.
My gran is young at heart, and she still dances at every party.
Tone: warm, lasting.

Bleeding heart: A person who seems too soft or too sympathetic. People often use it as a mild insult.
Some people called him a bleeding heart for helping every stray cat.
Tone: cold, lasting. Risky, because it can offend the person you name.

After my own heart: A person who shares your tastes or values.
You love old films too? You are a person after my own heart.
Tone: warm, lasting.

5. I Choose It, or I Change It

Follow your heart: To choose by feeling, not by logic alone.
She followed her heart and took the art course, not the safe job.
Tone: warm, changing.

Have a change of heart: To change your mind or your feelings.
He had a change of heart and joined the team after all.
Tone: neutral, changing.

Set your heart on something: To want one thing with full desire.
Lily set her heart on winning the spelling prize.
Tone: warm, changing.

Take heart: To find hope and courage again.
Take heart: The test was hard for all of us, and you can try again.
Tone: warm, changing.

Lose heart: To lose hope and courage.
Do not lose heart if your first story gets no prize.
Tone: cold, changing.

Get to the heart of the matter: To reach the main point of a problem.
Let us get to the heart of the matter and fix the late bus first.
Tone: neutral, instant. Good for work and school.

Learn/know by heart: To learn words so well that you can say them without a book.
I know the poem by heart now, after a week of practice.
Tone: neutral, lasting. Good for school. In British and Irish English, people also say “learn off by heart.”

Take something to heart: To be deeply affected by a remark or advice.
Don’t take his joke to heart. He did not mean it.
Tone: neutral, lasting.

Close to my heart: Very dear or important to you.
Music is close to my heart because my dad taught me to play.
Tone: warm, lasting.

Tone, Mistakes, and Memory(Idioms for Heart)

Near synonyms

• Heart of gold and big heart: Heart of gold praises good character the most. Big heart praises open generosity.
• Heart of stone and heartless: Heart of stone means no feeling at all. Heartless means cruel, with no pity.
• Take heart and take something to heart: Take heart cheers you up and has no object. Take something to heart means a remark hurt you or stayed with you.

Pick by strength first, then by tone.

Tone list(Idioms for Heart)

• Cross my heart: Warm, casual, and childlike. Fine in chat and in IELTS Speaking.
• Eat your heart out: Boastful. Joke only, never formal.
• Bleeding heart: It can sound like an insult, even if you mean no harm.
• From the bottom of my heart: Warm and formal. Good for cards and speeches.
• Get to the heart of the matter: Neutral and formal. Good for work and school.

At work, get to the heart of the matter and take heart fit well. Eat your heart out and cross my heart do not fit a formal report.

Common mistakes

1. Using “take heart” with an object.
   Wrong: “Take heart the bad news.”
   Right: “Take heart, you can try again.”
   (Take something to heart needs an object, like a remark.)
2. Using “set your heart on” with a full sentence.
   Wrong: “I set my heart on I will win.”
   Right: “I set my heart on winning.”
   Use a noun or a verb ending in -ing.
3. Changing the form of “have a change of heart.”
   Wrong: “He changed his heart.”
   Right: “He had a change of heart.”
4. Using “cross my heart” to describe a person.
   Wrong: “He is cross my heart.”
   Right: “Cross my heart, I will return your book.”
5. Using a taunt at work.
   Wrong: “Eat your heart out, I won the job.”
   Right: “I am glad I won the job.”
   Keep taunts out of formal writing.

How to remember

Group the phrases by direction, and add a warm or cold tag to each group. Then try this short practice.

1. My heart was in my ___ when the bell rang.
2. Our teacher has a heart of ___, and she stays late to help.
3. Sam set his heart ___ winning the race.
4. Rosa wears her heart on her ___.

Answers: 1. mouth, 2. gold, 3. on, 4. sleeve.

FAQs About Idioms for Heart

What is the best phrase for everyday English?

The best phrases for everyday English are my heart sank, follow your heart, and take heart. Start with those three. Add more only when they feel natural.

Are heart phrases formal or informal?

Most Idioms for heart phrases are informal. Get to the heart of the matter and take heart work in workplace writing. Eat your heart out can sound boastful, and cross my heart can sound too casual or childlike in a report.

Can I use heart phrases in IELTS?

You can use them in IELTS Speaking, but avoid them in formal IELTS Writing. In Speaking, follow your heart, take heart, and young at heart sound natural. In Writing, plain words often score better.

What is the origin of “wear your heart on your sleeve,” and is it rude?

It is not rude. It is a warm phrase for a person who shows their feelings openly. The origin is often traced to Shakespeare’s play Othello. A story about medieval knights is also told, but dictionaries say it is unproven. Only the figurative use in the 1600s is clear.

Conclusion(Idioms for Heart)

Idioms for heart give you a clear way to pick a phrase by feeling, direction, and time.

Start with five phrases that fit your daily life. Add more only when those feel natural.

• Use the Heart Map to check warmth and openness.
• Use the Direction Test to check who feels, causes, shows, judges, or chooses.
• Use the Time Test to check instant, lasting, or changing.

These checks will keep your English warm, honest, and right for the moment. Try one phrase today, in chat, at school, or at work, and let it grow from there.

To read more: 16 Best Idioms for Summer: Easy Meanings & Examples