In a nutshell
- Formal: Good morning, Good afternoon, Good evening (time-based), Hello
- Common and neutral: Hello, Hi
- Informal: Hey, How are you?, How’s it going?, What’s up?
- UK vs US: Alright?, Hiya, Cheers (UK) / Howdy, Hey y’all (US South)
- Common trap: Good night is not a greeting but a way to take leave; How do you do? is a polite formula, not a real question
- Formal writing: Dear Mr Smith, Dear Ms Jones, Dear Sir or Madam
Saying hello in English isn’t just a matter of choosing between Hello and Hi. The language finely distinguishes register, time of day, context (spoken or written, professional or friendly), and even region or country. Some expressions double as both greeting and check-in without expecting a real answer, a major cultural difference that’s important to understand to interact naturally with English speakers.
Formal and time-based greetings
These phrases work in all professional, administrative, and first-meeting settings. They vary by time of day, a feature not found in many other languages where a single word covers the whole day.
| Expression | When to use it | Example |
|---|---|---|
| Good morning | From waking until around noon | Good morning, everyone. Let’s start the meeting. |
| Good afternoon | From noon to about 6 p.m. | Good afternoon, Ms. Johnson. How can I help? |
| Good evening | From 6 p.m., in the evening | Good evening, sir. Welcome to the hotel. |
| Hello | Neutral, any time, all contexts | Hello, I’d like to make an appointment. |
Good night is not a greeting. This is one of the most common mistakes. Good night is used only to say goodbye late in the evening or to wish someone a good night’s sleep. Never say Good night when arriving somewhere, even late at night. In that case, Good evening is the correct choice. Good night is strictly a departure or bedtime phrase, never an arrival greeting.
Common and universal greetings
| Expression | Register | Notes |
|---|---|---|
| Hello | Neutral | The safe bet in all contexts, in speech and informal writing alike |
| Hi | Informal to neutral | More casual than Hello, very common among colleagues and acquaintances |
| Hey | Informal | For friends or close colleagues; can sound abrupt with a stranger |
| Hi there | Warm informal | Slightly warmer than Hi alone, frequent in speech and messages |
| Hey there | Informal | Softer version of Hey, often used in informal writing |
Greetings that ask how you are
In English, and especially in the United States, it is very common to replace or combine a greeting with a question about how the person is. These questions are often rhetorical: they carry the meaning of hello as much as they ask how you’re doing, and a detailed answer is not expected in most cases.
| Expression | Register | Typical response |
|---|---|---|
| How are you? | Neutral to formal | Fine, thank you. And you? / Very well, thanks. |
| How are you doing? | Neutral to informal | Good, thanks! / Not bad, you? |
| How’s it going? | Informal | Pretty good! / Can’t complain. |
| How’s everything? | Informal | Great, thanks! / Not too bad. |
| What’s up? | Very informal | Not much, you? / Nothing much, just chilling. |
| What’s new? | Informal | Not much! / Same old same old. |
| How’s life? | Informal | Good, can’t complain! / Busy but good. |
Answering How are you? in English
In informal contexts, the most natural response to How are you? or How’s it going? is not I am fine, thank you (too formal and stiff) but Good, thanks! or Not bad, you? The key is to return the question to the other person, a practice considered polite and engaging throughout the English-speaking world.
How do you do?: a special case
How do you do? is a formal politeness formula used when meeting someone for the first time, mainly in British English. Despite how it looks, it is not a real question about someone’s state. The expected answer is How do you do? right back, the exact same phrase repeated, not a description of one’s mood or health. This convention often baffles learners who try to answer it like How are you?.
| English | What it means | Correct response |
|---|---|---|
| How do you do? | Pleased to meet you / Hello (first meeting, formal) | How do you do? (the same formula in return) |
| How are you? | How are you? (common greeting) | Fine, thank you. And you? |
Greetings for a first meeting
| Expression | Meaning | Context |
|---|---|---|
| Nice to meet you. | Nice to meet you. | First meeting, all contexts |
| Pleased to meet you. | Pleased to meet you. | Slightly more formal |
| It’s a pleasure to meet you. | It’s a pleasure to meet you. | Formal, professional context |
| I’ve heard so much about you. | I’ve heard so much about you. | When you know of the person’s reputation |
Greetings after a long absence
| Expression | Meaning |
|---|---|
| Long time no see! | Long time no see! |
| It’s been ages! | It’s been ages! |
| Look who’s here! | Look who’s here! |
| Fancy seeing you here! | Fancy seeing you here! (UK) |
| Good to see you again! | Good to see you again! |
Informal and slang greetings
| Expression | Meaning | Notes |
|---|---|---|
| Yo! | Yo!, Hey! | Very informal, from 1990s American hip-hop culture |
| Sup? | What’s up? | Contraction of What’s up?, mainly in writing among close friends |
| Hey, what’s good? | Hey, what’s good? | Informal American, especially among young people |
| How’s tricks? | How’s it going? / How are things? | Dated but still heard, informal register |
British variants
British English has its own greeting formulas that can surprise someone used to American English or a neutral international English.
| Expression | Meaning | Notes |
|---|---|---|
| Alright? | Alright? / Hi | Very common in England, especially in the Midlands and the North; the expected reply is Alright? back or Yeah, you? |
| Hiya! | Hiya! | Informal contraction of Hi + you, typically British |
| You alright? | You alright? | More explicit variant of Alright?, same usage |
| How do? | How do you do? | Dialectal, especially in Yorkshire; very informal register |
| Morning! | Morning! | Shortened version of Good morning, very common in speech among colleagues |
Regional American variants
| Expression | Region | Meaning |
|---|---|---|
| Howdy! | South and Southwest of the US | Hi!, Hello! (contraction of How do you do?) |
| Hey y’all! | Southern US | Hey everyone! (y’all = you all) |
| How ya doin’? | New York especially | How you doing? (made famous by the TV series Friends) |
Saying hello in writing: emails and messages
Written greetings follow different conventions from spoken ones, especially in a professional context.
| Written formula | Context |
|---|---|
| Dear Mr Smith, | Formal email to a man (known last name) |
| Dear Ms Jones, | Formal email to a woman (known last name, marital status not specified) |
| Dear Sir or Madam, | Formal email, unknown recipient |
| To whom it may concern, | Formal letter or email, unspecified recipient |
| Hi [first name], | Semi-formal or internal company email |
| Hey [first name], | Informal message, colleague or friend |
| Hello everyone, | Group email, neutral to formal register |
| Good morning [first name], | Professional email in the morning, warm tone |
Ms, Miss or Mrs?
In professional English, Ms is the default form when addressing a woman whose marital status you don’t know, or simply by modern convention. Miss is used for an unmarried woman (but is less and less common in professional settings), and Mrs for a married woman. When in doubt, Ms is always the safe and respectful choice.
On the phone
Answering the phone calls for slightly different formulas from those used face to face.
| Expression | Context |
|---|---|
| Hello? | Answering a personal call, with a questioning tone |
| Hello, [first name] speaking. | Incoming call, personal or light professional |
| Good morning, [company name]. How can I help you? | Professional switchboard, customer service |
| Hi, it’s [first name]. | Calling someone you know, introducing yourself |
Cultural differences to know
In the United States, it’s common to jump straight into an interaction with How are you? or How’s it going? without first saying Hello, especially among acquaintances or in a shop. This isn’t rudeness; it’s a way of speeding up the conversation naturally by combining greeting and contact-making.
In Great Britain, Alright? can unsettle learners: the question seems negative (Is something wrong?) but it is simply the most common greeting between people who know each other across much of England. The reply is not a long explanation about how you are, but a simple Alright? thrown back or Yeah, cheers.
In Australia, G’day (contraction of Good day) remains an iconic greeting, more common in rural areas and among older generations than in big cities. How ya going? (the Australian version of How are you?) is frequently heard, and the most natural response is Yeah, good, you?
In summary
Choosing the right way to say hello in English depends on three things: the time of day for formal expressions, your level of familiarity with the person, and the context, whether spoken or written, professional or friendly. Hello remains the safe bet in every situation. Formulas like Alright?, Hiya or What’s up? enrich your repertoire for more natural exchanges, as long as you save them for the informal contexts where they are expected.
