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English Greetings & Expressions: Formal, Casual, and Polite Phrases

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In my first month of teaching, a student greeted me with “Hey, what’s up, sir?” right before a formal board presentation we were preparing for. She had memorized an informal greeting but didn’t know that “what’s up” doesn’t belong in professional contexts. That mistake cost her confidence. Since then, I’ve made it my job to teach greetings not as isolated words, but as tools that signal your relationship with the listener and the formality of the moment.

You’ll covers the greetings you’ll use 95% of the time in English: from formal settings (meetings, first introductions, customer service) to casual moments (with friends, co-workers you know, family). You’ll learn when to use each greeting, how to respond, and what mistakes learners often make.

English greetings and expressions — formal, casual, and polite phrases
Essential English greetings for every situation — from boardroom to café.

Key Takeaways

  • Formal greetings (“Good morning, sir” / “Nice to meet you”) — use with bosses, clients, strangers, older people.
  • Casual greetings (“Hey, how’s it going?” / “What’s up?”) — use only with friends, close co-workers, family.
  • Register rule: When in doubt, be more formal than casual. You can’t offend by being too polite, but you can offend by being too casual.
  • Always respond to a greeting with the same level of formality or slightly warmer (if someone says “Good morning,” don’t reply “What’s up?”).
  • Polite phrases (“Please,” “Thank you,” “Excuse me”) work in every context and make you sound respectful and native-like.

Formal Greetings — In Business, Professional, and First-Time Meetings

Formal greetings signal respect and professionalism. Use them when you meet someone for the first time, when you’re in a hierarchical relationship (employee-boss), or in customer-facing situations.

Example 1: Walking into a client meeting: “Good afternoon, everyone. Thank you for making the time.”

Example 2: Greeting someone at a hotel: “Good morning. Checking in, please?”

Example 3: First phone call with a new contact: “Good afternoon—this is Sarah from the marketing team. How are you today?”

Formal greeting Response Context
Good morning / afternoon / evening Good morning / afternoon / evening (same as received) Professional, respectful, universal
Hello, how do you do? How do you do? (formal, rarely used now) Very formal, old-fashioned in North America
Nice to meet you. Nice to meet you too. First meetings, friendly and professional
Good to see you. Good to see you too. You’ve met before, professional
Pleased to meet you. Pleased to meet you too. Formal, older style, still used in British English
How are you doing today? I’m doing well, thank you. How about you? Semi-formal, warm and professional

The formality rule: If someone greets you formally, always respond with equal or slightly greater formality. You can relax later, but starting too casual is hard to recover from.

Casual Greetings — With Friends, Family, and Close Co-Workers

Casual greetings sound more natural and warm. Use them with people you know well and see regularly. The key is: only use casual greetings with people you’re genuinely close to.

Example 1: Running into a friend at lunch: “Hey! How’s it going?”

Example 2: With a co-worker you sit near: “What’s up? How was your weekend?”

Example 3: Text to a close friend: “Hey! Haven’t seen you in ages. What are you up to?”

Casual greeting Response Who uses it
Hi / Hey Hi / Hey (back) — sometimes followed by a question Everyone, in casual settings
Hey, how’s it going? “Pretty good, you?” / “Can’t complain.” Close friends, colleagues
What’s up? “Not much.” / “Just chillin’.” Friends only (very casual)
How are you doing? “I’m good, thanks. How about you?” Friends, acquaintances, co-workers
What’s happening? “Not a lot.” / “Just the usual.” Very casual, friends
How’s it been? “Good!” / “Busy, but good.” People you haven’t seen recently

Common Mistakes Learners Make

✗ Incorrect: Walking into a job interview and saying “Hey man, what’s up?”

✓ Correct: “Good morning. Thank you for meeting with me. It’s a pleasure to be here.”

Why:Job interviews demand formal language. Save casual greetings for after you’re hired and you know the workplace culture.

✗ Incorrect: Your boss says “Good morning,” and you respond “What’s up?”

✓ Correct: Your boss says “Good morning,” and you respond “Good morning. How are you today?”

Why: Always match or exceed the formality level of the greeting you receive.

✗ Incorrect: “Hi there, I’m looking to buy a car.” (too casual for a formal car dealership interaction)

✓ Correct: “Good afternoon. I’m interested in looking at some vehicles. Can you help?”

Why: Customer-service situations require more formality than casual social ones.

Polite Phrases That Work Everywhere

These words work in every context and instantly make you sound respectful and considerate. Even native speakers use them constantly.

Polite phrase Meaning and use Example
Please Used to make a polite request “Please pass the salt.” / “Can you help me, please?”
Thank you Express gratitude and appreciation “Thank you for your help.” / “Thanks, I appreciate it.”
Excuse me Politely interrupt or get someone’s attention “Excuse me, do you have a moment?” / “Excuse me, where’s the bathroom?”
Pardon Apologize or ask someone to repeat what they said “Pardon me, I didn’t catch what you said.” / “Pardon me, I need to get past you.”
You’re welcome Respond to a thank you “Thank you for the coffee.” / “You’re welcome!”
Sorry / I apologize Express remorse or acknowledge an error “I’m sorry I’m late.” / “I apologize for the confusion.”

Greetings for Different Situations

When You Agree with Someone

Example 1: “I think remote work is more productive.” — “Absolutely, I agree completely.”

Example 2: “We should finish this project today.” — “You’re right. I see what you mean.”

  • Absolutely!
  • I couldn’t agree more.
  • That’s a great point.
  • You’re right.
  • I see what you mean.
  • That makes sense.

When You Disagree Politely

Example 1: “That movie was fantastic.” — “I see your point, but I thought it was a bit slow.”

Example 2: “We should hire based on years of experience only.” — “I’m not sure I agree with you. Some young people have incredible skills.”

  • I’m not sure I agree with you.
  • I see your point, but…
  • I’m afraid I can’t agree with that.
  • That’s an interesting perspective, but…
  • I’m not convinced.

When You’re Surprised

Example 1: “I’m getting married next month!” — “No way! Congratulations!”

Example 2: “We won the competition.” — “I can’t believe it! That’s incredible!”

  • Oh my goodness!
  • No way!
  • Are you serious?
  • I can’t believe it!
  • Wow!
  • That’s incredible.

Sample Dialogue

Two colleagues meeting in a hallway

Maria (senior): Good morning, David. How are you today?

David: Good morning, Maria. I’m doing well, thank you. How are you?

Maria: I’m great. By the way, I really appreciated your presentation yesterday.

David: Oh, thank you! That means a lot. I put a lot of work into it.

Maria: It shows. Nice work. Anyway, have a good day.

David: You too. Thanks again.

Quick Quiz

Match the greeting to the situation:

  1. Your boss walks past your desk. → A. “What’s up?” B. “Good morning. How are you?” C. “Hey!”
  2. You run into a close friend. → A. “Pleased to meet you.” B. “Hey, how’s it going?” C. “Good to see you.”
  3. First day at a new job, meeting the team. → A. “Hi everyone, nice to meet you.” B. “Hey guys, what’s up?” C. “Hello, I’m excited to be here.”
  4. Your co-worker shares good news. → A. “Cool.” B. “That’s interesting.” C. “That’s incredible! Congratulations!”
  5. You disagree with someone’s idea in a meeting. → A. “You’re wrong.” B. “I see your point, but I think…” C. “That’s stupid.”

Answers: 1. B · 2. B · 3. C · 4. C · 5. B

The Importance of Greetings in English

Cultural Significance

In English-speaking cultures, greetings serve multiple purposes: they acknowledge the other person, show respect, and establish the tone for further interaction. A proper greeting can set someone at ease. A mismatched greeting can create uncomfortable distance.

Interestingly, the length and depth of a greeting often depends on the culture. In the United States, “Hey, how’s it going?” is typically just a greeting—a brief acknowledgment—rather than a real request for information. In some other cultures, the same question is an invitation to share something meaningful, which can create confusion for learners.

Role in Building Relationships

Greetings are the gateway to connection. They tell the other person, “I see you, and I’m making the effort to acknowledge you.” Whether it’s a formal “Nice to meet you” or a casual “Hey, what’s up?”—the greeting opens the door. After that, your follow-up questions and listening skills matter most.

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Frequently Asked Questions

What is the most polite greeting in English?

“Good morning” / “Good afternoon” / “Good evening” followed by “How are you?” is the safest, most universally polite greeting. It works in nearly all formal and semi-formal contexts and shows respect without sounding stiff.

Is “How are you?” a real question or just a greeting?

In North American English, “How are you?” is usually just a greeting—you’re not expected to give a detailed answer. A brief “I’m good, thanks. How are you?” is sufficient. In other cultures, the same question might be a genuine inquiry, which can confuse non-native speakers.

When should I use “Excuse me” vs. “Pardon”?

“Excuse me” is used to politely interrupt, ask for attention, or get past someone (“Excuse me, can I get past?”). “Pardon” is used when you didn’t hear what someone said (“Pardon me, can you repeat that?”) or to apologize (“Pardon me, I’m sorry.”).

Is “What’s up?” appropriate for any situation?

No. “What’s up?” is very casual and only appropriate with friends or close colleagues. Never use it in job interviews, with clients, with your boss, or with people you’ve just met.

How do I know if a greeting is too formal or too casual?

Watch the other person’s tone and register. If they start formal, stay formal until they relax the tone. When in doubt, be more formal—you can always become more casual, but it’s harder to recover from being too casual.

Should I shake hands or bow when greeting in English-speaking countries?

In most English-speaking countries (US, UK, Australia, Canada), a handshake is standard in professional contexts. Bowing is not common unless you’re in a multicultural setting where both parties understand that gesture. A warm smile and friendly tone are always appropriate.

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