Idiom Informal 5 min read

bosom friend

A very close and dear friend.

In 15 Seconds

  • Your dearest, most trusted friend.
  • Implies deep emotional closeness.
  • Sounds a bit old-fashioned.
  • Use for lifelong, intimate friendships.

Meaning

A `bosom friend` is someone you're incredibly close to, like family. Think of the deepest, most trusted friendships you have. It carries a warm, intimate feeling, suggesting a bond that's both strong and very personal.

Key Examples

3 of 11
1

Texting a close friend

Hey! Just wanted to say you're my `bosom friend` and I'm so grateful for you.

Hey! Just wanted to say you're my `bosom friend` and I'm so grateful for you.

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2

Instagram caption for a throwback photo

Throwback to when me and my `bosom friend` decided to climb that mountain! Good times.

Throwback to when me and my `bosom friend` decided to climb that mountain! Good times.

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3

Talking to a new acquaintance about friends

Yes, I have a few close friends here, but my real `bosom friend` is back home.

Yes, I have a few close friends here, but my real `bosom friend` is back home.

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🌍

Cultural Background

The term `bosom friend` likely emerged from a time when physical closeness symbolized emotional closeness. In the 18th and 19th centuries, literature often depicted deep friendships using terms that implied physical proximity and emotional security, much like keeping something precious near one's heart. It reflects a cultural value placed on profound, almost familial bonds between friends, a sentiment that perhaps feels more pronounced in historical contexts than in today's fast-paced world.

🎯

Embrace the Warmth

Use 'bosom friend' when you want to convey genuine warmth and deep affection. It's like giving your friend a verbal hug!

⚠️

Avoid Professional Settings!

Seriously, don't call your boss or client your 'bosom friend.' It sounds way too personal and could be awkward, even creepy!

In 15 Seconds

  • Your dearest, most trusted friend.
  • Implies deep emotional closeness.
  • Sounds a bit old-fashioned.
  • Use for lifelong, intimate friendships.

What It Means

A bosom friend is your absolute bestie. This isn't just someone you hang out with sometimes. It's the person you trust with your deepest secrets. They feel like part of your soul. It's a super strong, intimate connection. You feel completely safe with them. They truly get you. It's a friendship built on deep affection. It's more than just liking someone. It's a profound, heartfelt bond. Imagine your ride-or-die person. That's a bosom friend.

Origin Story

The phrase bosom friend sounds a bit old-fashioned, right? That's because it is! It comes from way back in the day. The bosom refers to the chest area, near the heart. In older times, people kept precious things close to their heart. They might tuck a locket or a letter there. So, a bosom friend was someone held as dear as a treasured possession. They were kept close, right next to your heart. It emphasizes intimacy and deep affection. Think of it as a friend you carry with you always. It's like they're literally part of you. This imagery really sticks, doesn't it? It paints a picture of closeness.

How To Use It

You use bosom friend to describe a very special person. It's for that one friend who means the world to you. You'd say, "She's my bosom friend." Or, "He's been my bosom friend since kindergarten." It highlights the depth of your relationship. It's not a casual term. You wouldn't call your work buddy this. It's reserved for true soulmates in friendship. You can also use it to describe the *type* of friendship. "We share a bosom friendship." It sounds a bit poetic. It's a lovely way to express loyalty. It shows how much you value them. It’s a compliment wrapped in an old-fashioned hug.

Real-Life Examples

  • "Sarah and Emily are practically sisters; they're bosom friends."
  • "He's been my bosom friend through thick and thin."
  • "I can tell my bosom friend anything."
  • "My grandma always talked about her bosom friends from school."
  • "Finding a bosom friend in this big city feels like winning the lottery."
  • "She introduced me to her bosom friend at the party."
  • "They bonded instantly and became bosom friends."
  • "My dog is my bosom friend – he never judges!" (A bit humorous, but the feeling is there!)

When To Use It

Use bosom friend when you want to emphasize extreme closeness. It's for that one person you can't imagine life without. Think of someone you'd call at 3 AM. This phrase works well when you're feeling sentimental. It's great for expressing deep loyalty. It fits in personal letters or heartfelt speeches. It's perfect for describing a lifelong bond. You might use it when reminiscing about old friends. It adds a touch of warmth and history. It’s for when you want to say, "This person is *everything* to me."

When NOT To Use It

Don't use bosom friend in super formal settings. A job interview? Probably not. A business email? Definitely not. It sounds too intimate for professional contexts. Avoid it with people you don't know well. It might seem overly familiar or even a bit strange. It's also not for casual acquaintances. Don't call your gym buddy your bosom friend unless you're *that* close. It's too intense for surface-level relationships. Save it for the real deal. You don't want to sound like you're trying too hard.

Common Mistakes

  • ✗ I have many bosom friends at work. → ✓ I have many *close friends* or *colleagues* at work.

(This phrase is too intimate for most workplaces.)

  • ✗ She is my bosom friend from the internet. → ✓ She is my *online friend* or *close friend* I met online.

(The term implies a physical closeness or long history that online-only friendships might not have yet.)

  • ✗ My bosom is my best friend. → ✓ My *dog* is my best friend.

(Confusing the word bosom with the actual person/thing.)

  • ✗ Let's be bosom friends! → ✓ Let's be *great friends* or *close friends*!

(It's usually used to *describe* an existing relationship, not to *initiate* one.)

Similar Expressions

  • Best friend: The most common and straightforward term.
  • Close friend: Very similar, slightly less intense than bosom friend.
  • Confidant(e): Someone you tell secrets to.
  • Soulmate: Often used for romantic partners, but can apply to friends.
  • Partner in crime: For a friend you have wild adventures with.
  • My right-hand person: Someone you rely on heavily.
  • Old buddy: Implies a long history, often male friends.

Memory Trick

💡

Think of your heart! The bosom is where your heart is. Your bosom friend is someone you keep close to your heart. They are as important as your own heart. Imagine giving them a hug that lasts forever. That's your bosom friend!

Quick FAQ

  • What does bosom friend mean?

It means a very close, dear, and trusted friend.

  • Is it a common phrase today?

It's less common now, sounding a bit old-fashioned or literary.

  • Can I use it for any friend?

No, only for your absolute closest, most intimate friends.

Usage Notes

The phrase `bosom friend` is informal but carries a sentimental and slightly old-fashioned tone. It implies a very deep, intimate, and loyal friendship, often built over many years. Avoid using it in professional settings or with people you don't know extremely well, as it can sound overly familiar or out of place.

🎯

Embrace the Warmth

Use 'bosom friend' when you want to convey genuine warmth and deep affection. It's like giving your friend a verbal hug!

⚠️

Avoid Professional Settings!

Seriously, don't call your boss or client your 'bosom friend.' It sounds way too personal and could be awkward, even creepy!

💡

Think Literary

If you're reading classic novels or watching period dramas, you'll often hear 'bosom friend.' It adds a touch of old-world charm.

💬

A Sign of Deep Trust

Historically, calling someone your 'bosom friend' signified a level of trust akin to family, someone you'd keep physically close, near your heart.

💡

When 'Best Friend' Feels Too Simple

Sometimes 'best friend' doesn't quite capture the depth. 'Bosom friend' adds that extra layer of profound intimacy and history.

Examples

11
#1 Texting a close friend
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Hey! Just wanted to say you're my `bosom friend` and I'm so grateful for you.

Hey! Just wanted to say you're my `bosom friend` and I'm so grateful for you.

Expressing deep appreciation for a very close friend.

#2 Instagram caption for a throwback photo
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

Throwback to when me and my `bosom friend` decided to climb that mountain! Good times.

Throwback to when me and my `bosom friend` decided to climb that mountain! Good times.

Referring to a very close friend in a nostalgic post.

#3 Talking to a new acquaintance about friends
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

Yes, I have a few close friends here, but my real `bosom friend` is back home.

Yes, I have a few close friends here, but my real `bosom friend` is back home.

Distinguishing a very special friend from other friends.

#4 Job interview - discussing teamwork
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>

I value strong team bonds, but my `bosom friend` is someone I trust implicitly outside of work.

I value strong team bonds, but my `bosom friend` is someone I trust implicitly outside of work.

Used here to differentiate a personal relationship from a professional one, showing the *depth* of personal connection.

#5 Writing a recommendation letter
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 13.255A23.931 23.931 0 0112 15c-3.183 0-6.22-.62-9-1.745M16 6V4a2 2 0 00-2-2h-4a2 2 0 00-2 2v2m4 6h.01M5 20h14a2 2 0 002-2V8a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/></svg>

In the years I've known him, he has proven himself to be a loyal colleague and a true `bosom friend` to many.

In the years I've known him, he has proven himself to be a loyal colleague and a true `bosom friend` to many.

Elevated language in a formal context to describe deep personal loyalty.

#6 Explaining friendship to a child
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

A `bosom friend` is like your favorite teddy bear, but it's a person you love very much!

A `bosom friend` is like your favorite teddy bear, but it's a person you love very much!

Using a simple analogy to explain the deep affection.

#7 Humorous text to a long-time friend
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

You're my `bosom friend`, which means you're stuck with me forever, like glitter! 😂

You're my `bosom friend`, which means you're stuck with me forever, like glitter! 😂

Playfully using the term to emphasize a long-lasting, slightly inescapable bond.

Mistake: Using for a new acquaintance Common Mistake
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

✗ Nice to meet you, you'll be my `bosom friend`!

✗ Nice to meet you, you'll be my `bosom friend`!

This phrase implies a deep, established bond, not a new acquaintance.

Mistake: Using in a professional context Common Mistake
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✗ My `bosom friend` from accounting always helps me with reports.

✗ My `bosom friend` from accounting always helps me with reports.

Too intimate for a workplace colleague unless the relationship is exceptionally deep and personal.

#10 Vlogging about a trip with a best friend
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.828 14.828a4 4 0 01-5.656 0M9 10h.01M15 10h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"/></svg>

So excited to be exploring Kyoto with my `bosom friend`! We've been planning this for ages!

So excited to be exploring Kyoto with my `bosom friend`! We've been planning this for ages!

Expressing excitement about traveling with a deeply cherished friend.

#11 Discussing a character in a book/show
<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4.318 6.318a4.5 4.5 0 000 6.364L12 20.364l7.682-7.682a4.5 4.5 0 00-6.364-6.364L12 7.636l-1.318-1.318a4.5 4.5 0 00-6.364 0z"/></svg>

The protagonist's relationship with her grandmother felt like that of a `bosom friend` – so much love and trust.

The protagonist's relationship with her grandmother felt like that of a `bosom friend` – so much love and trust.

Describing a deep, supportive, and loving relationship.

Test Yourself

Fill in the blank with the correct phrase.

✓ Correct! ✗ Not quite. Correct answer: bosom

The context of knowing someone since childhood implies a very deep and long-lasting friendship, fitting the meaning of 'bosom friend'.

Choose the sentence that uses 'bosom friend' correctly.

Which sentence uses the phrase 'bosom friend' correctly?

✓ Correct! ✗ Not quite. Correct answer: He is my bosom friend, and I can tell him anything.

This sentence correctly conveys the deep trust and closeness implied by 'bosom friend'. The other options use it inappropriately for a new acquaintance, a superior, or as a greeting.

Find and fix the error in the sentence.

✓ Correct! ✗ Not quite. Correct answer:

While sisters can be best friends, 'bosom friend' often implies a level of intimacy and trust that might be too strong or sound slightly archaic when describing a sibling relationship, unless the bond is exceptionally profound and expressed in a more literary or sentimental way. 'Close friend' is a more common and versatile alternative.

Fill in the blank with the correct phrase.

✓ Correct! ✗ Not quite. Correct answer: bosom

The description 'inseparable' and 'shared adventures and secrets' strongly suggests the deep, intimate bond characteristic of a 'bosom friend'.

Translate this sentence into English.

✓ Correct! ✗ Not quite. Correct answer:

'Amiga del alma' in Spanish directly translates to 'friend of the soul,' which captures the deep emotional connection implied by the English phrase 'bosom friend'.

Find and fix the error in the sentence.

✓ Correct! ✗ Not quite. Correct answer:

Using 'bosom friend' for a colleague, unless the relationship is exceptionally deep and personal, can sound overly intimate or out of place in a professional context. 'Close friend' is a safer and more common choice.

Choose the correct option.

Which phrase means a very close and dear friend?

✓ Correct! ✗ Not quite. Correct answer: Bosom friend

'Bosom friend' specifically denotes a very deep, intimate, and cherished friendship, distinguishing it from casual acquaintances, workmates, or neighbors.

Fill in the blank.

✓ Correct! ✗ Not quite. Correct answer: bosom

The phrase 'through all the ups and downs' indicates a long-standing, supportive relationship, which aligns perfectly with the meaning of 'bosom friend'.

🎉 Score: /8

Visual Learning Aids

Formality Spectrum for 'Bosom Friend'

Very Informal

Used in casual conversation, personal texts, and intimate settings.

You're my bosom friend!

Informal

Common in personal writing, heartfelt messages, and discussions about deep friendships.

She's been my bosom friend since kindergarten.

Neutral

Rarely used, might appear in literature or historical contexts.

The novel depicted their relationship as that of bosom friends.

Formal

Almost never used in formal or professional settings.

Not applicable.

Situations Where 'Bosom Friend' Fits

Deep Friendship
📱

Heartfelt text message

You're my bosom friend!

🕰️

Nostalgic conversation

My bosom friend from childhood.

💌

Personal letter

My dearest bosom friend...

🤫

Sharing deep secrets

I can tell my bosom friend anything.

♾️

Describing a lifelong bond

They were bosom friends for life.

📚

Literary reference

A classic tale of bosom friends.

Comparing 'Bosom Friend' with Similar Terms

Bosom Friend
bosom friend Implies deep intimacy, loyalty, and closeness, often with a slightly old-fashioned feel.
Best Friend
best friend Most common term for the closest friend; modern and widely understood.
Close Friend
close friend Indicates a strong friendship, but slightly less intense than 'bosom friend'.
Confidant
confidant Emphasizes the role of someone you share secrets with; focuses on trust.

Usage Categories for 'Bosom Friend'

❤️

Emotional Depth

  • Intimate connection
  • Deep trust
  • Unconditional support

Time Factor

  • Long-standing relationships
  • Lifelong bonds
  • Childhood friends
✍️

Tone & Style

  • Sentimental
  • Literary
  • Slightly archaic
🫂

Relationship Type

  • Best friends
  • Soulmates (platonic)
  • Chosen family

Practice Bank

8 exercises
Fill in the blank with the correct phrase. Fill Blank beginner

She's known Maria since they were kids; they're true ___ friends.

✓ Correct! ✗ Not quite. Correct answer: bosom

The context of knowing someone since childhood implies a very deep and long-lasting friendship, fitting the meaning of 'bosom friend'.

Choose the sentence that uses 'bosom friend' correctly. Choose intermediate

Which sentence uses the phrase 'bosom friend' correctly?

✓ Correct! ✗ Not quite. Correct answer: He is my bosom friend, and I can tell him anything.

This sentence correctly conveys the deep trust and closeness implied by 'bosom friend'. The other options use it inappropriately for a new acquaintance, a superior, or as a greeting.

Find and fix the error in the sentence. Error Fix intermediate

Find and fix the mistake:

My sister is my bosom friend, we always share clothes.

✓ Correct! ✗ Not quite. Correct answer: My sister is my close friend, we always share clothes.

While sisters can be best friends, 'bosom friend' often implies a level of intimacy and trust that might be too strong or sound slightly archaic when describing a sibling relationship, unless the bond is exceptionally profound and expressed in a more literary or sentimental way. 'Close friend' is a more common and versatile alternative.

Fill in the blank with the correct phrase. Fill Blank advanced

After years of shared adventures and secrets, they became inseparable, true ___ friends.

✓ Correct! ✗ Not quite. Correct answer: bosom

The description 'inseparable' and 'shared adventures and secrets' strongly suggests the deep, intimate bond characteristic of a 'bosom friend'.

Translate this sentence into English. Translate beginner

Ella es mi amiga del alma.

Hints: amiga del alma means 'friend of the soul', This implies a very deep connection

✓ Correct! ✗ Not quite. Correct answer: She is my bosom friend.

'Amiga del alma' in Spanish directly translates to 'friend of the soul,' which captures the deep emotional connection implied by the English phrase 'bosom friend'.

Find and fix the error in the sentence. Error Fix advanced

Find and fix the mistake:

He described his colleague as a bosom friend, which felt a bit odd.

✓ Correct! ✗ Not quite. Correct answer: He described his colleague as a close friend, which felt a bit odd.

Using 'bosom friend' for a colleague, unless the relationship is exceptionally deep and personal, can sound overly intimate or out of place in a professional context. 'Close friend' is a safer and more common choice.

Choose the correct option. Choose beginner

Which phrase means a very close and dear friend?

✓ Correct! ✗ Not quite. Correct answer: Bosom friend

'Bosom friend' specifically denotes a very deep, intimate, and cherished friendship, distinguishing it from casual acquaintances, workmates, or neighbors.

Fill in the blank. Fill Blank intermediate

Through all the ups and downs, he remained my ___ friend.

✓ Correct! ✗ Not quite. Correct answer: bosom

The phrase 'through all the ups and downs' indicates a long-standing, supportive relationship, which aligns perfectly with the meaning of 'bosom friend'.

🎉 Score: /8

Frequently Asked Questions

20 questions

A 'bosom friend' refers to a very close, dear, and trusted friend. It implies a deep emotional bond, loyalty, and intimacy, suggesting someone held in high regard, almost like family. Think of someone you can share your deepest secrets and feelings with.

No, 'bosom friend' is not very common in everyday modern English conversation. It sounds somewhat old-fashioned or literary, often found in older books or used intentionally for a more sentimental or poetic effect.

Absolutely not! 'Bosom friend' implies a long-standing and very deep relationship. Using it for someone you just met would sound extremely strange, overly familiar, and potentially off-putting.

'Best friend' is the most common and straightforward term for your closest friend today. 'Bosom friend' carries a similar meaning but adds a layer of deep intimacy, historical resonance, and sometimes a slightly more formal or literary tone.

It's best used when you want to emphasize the profound depth and loyalty of a friendship, perhaps in personal letters, heartfelt messages, or when reminiscing about a lifelong friend. It's for those few incredibly special people in your life.

It's generally not recommended for professional contexts like job interviews or business emails. The phrase is too intimate and personal for such settings and could be perceived as unprofessional or out of place.

The term originates from the word 'bosom,' which refers to the chest area near the heart. Historically, it implied keeping someone as close and cherished as a treasured item kept near one's heart, signifying deep affection and trust.

Historically, the term could be used for both men and women, but it might have been slightly more common in literature referring to female friendships. However, in modern usage, it's generally understood to apply to any deeply intimate friendship, regardless of gender.

It's considered informal, but with a literary or slightly old-fashioned flair. While not suitable for highly formal situations, it carries more weight and sentiment than casual slang terms for friends.

A common mistake is using it too casually or in inappropriate contexts, like calling a new acquaintance or a colleague a 'bosom friend.' This oversteps boundaries and sounds unnatural.

You could, but it might sound a bit unusual. 'Bosom friend' often implies a shared history or physical closeness. For online friends, terms like 'close online friend' or 'internet bestie' might feel more contemporary, unless the bond is exceptionally deep and long-standing.

Yes, 'bosom' appears in phrases like 'bosom buddies,' which is similar in meaning but often more lighthearted. It can also appear in older literature referring to the chest or heart area directly.

The emotional weight is significant. It conveys deep affection, unwavering loyalty, and a sense of profound connection, almost like a soulmate relationship within friendship.

Yes, it can be used humorously, especially between very close friends who appreciate the slightly old-fashioned and overly sentimental nature of the term. It can be a playful way to acknowledge your deep bond.

The use of 'bosom friend' suggests a cultural appreciation for deep, intimate, and enduring friendships that transcend casual acquaintance. It points to a value placed on loyalty and profound emotional connection.

While 'bosom friend' can apply to any gender, terms like 'bosom buddy' or simply 'best friend' or 'close friend' are often used for male friendships. The core meaning of deep intimacy remains the same.

A good translation would be 'amigo/a del alma' (friend of the soul) or 'amigo/a íntimo/a' (intimate friend), as these capture the deep emotional connection implied by 'bosom friend'.

The main risk is sounding awkward, overly familiar, or out of touch. Using it in a professional setting or for a new acquaintance can make you seem socially unaware or even a bit strange.

Yes, it often does. The deep connection suggested by 'bosom friend' typically arises from shared significant life experiences, mutual support through difficult times, and a long history together.

While people might affectionately call a beloved pet their 'bosom friend,' it's primarily intended for human relationships. Using it for pets is a figurative extension and usually understood as hyperbole.

Related Phrases

🔄

Best friend

synonym

The friend one is closest to.

Both terms refer to the closest and most important friend in one's life, though 'bosom friend' often carries a more historical or literary connotation.

🔄

Close friend

synonym

A friend with whom one has a strong bond of affection.

'Close friend' is a more common and less intense synonym for 'bosom friend', suitable for most deep friendships without the old-fashioned feel.

🔗

Confidant

related topic

A person with whom one shares a secret or private matter, trusting them not to repeat it.

A 'bosom friend' is almost always a confidant, highlighting the element of trust and secret-sharing inherent in such a deep relationship.

🔗

Soulmate

related topic

A person ideally suited to another as a close friend or romantic partner.

While often used romantically, 'soulmate' can describe a platonic 'bosom friend' connection, emphasizing a deep, almost fated, understanding between two people.

😊

Buddy

informal version

A friend.

'Buddy' is a very casual and common term for a friend, representing the opposite end of the formality spectrum from the more sentimental 'bosom friend'.

🔗

Companion

related topic

A person or animal with whom one spends a lot of time or with whom one travels.

A 'bosom friend' is certainly a companion, but 'companion' is broader and doesn't necessarily imply the same depth of emotional intimacy or trust.

🔗

Ally

related topic

A person or organization that cooperates with or helps another in a particular activity.

A 'bosom friend' often acts as an ally, providing support and help, but 'ally' focuses more on cooperative action than deep personal affection.

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