Sibling is the gender-neutral term for a brother or sister. It is standard in formal writing and medical contexts.

Relationships & Social Life Vocabulary

Q: What is the difference between an acquaintance and a friend?

A friend implies a close personal bond. An acquaintance is someone you know by name but do not have a deep relationship with.

Q: What is the difference between a rival and an opponent?

Rival implies a longer-term or recurring competition. Opponent is more immediate and situational — the person you are against in a specific contest.

Q: What is the difference between employer and employee?

An employer provides work and pays wages. An employee does the work and receives payment. The -er suffix indicates the person performing the action; -ee indicates the recipient.

Q: What is the difference between landlord and landlady?

Landlord refers to a male property owner who rents out property. Landlady refers to a female landlord. Landlord is increasingly used as a gender-neutral term.

Q: What is the difference between companion and friend?

A companion is someone who spends time with you, but does not necessarily imply emotional closeness. A friend implies a voluntary, mutual bond based on affection.

Q: Does relationship vocabulary appear in IELTS Speaking?

Yes. IELTS Speaking asks about people in your life. Using precise words like mentor, acquaintance, and ally improves lexical resource scores significantly.

Q: What is the difference between customer and passenger?

A customer buys goods or services from a business. A passenger travels in a vehicle operated by someone else.

Q: What is the best way to learn relationship vocabulary?

Describe real people in your life using these words in a short paragraph. Personal connection makes vocabulary easier to retain. Then reinforce with Flash Cards and Wordsearch.

20 essential words for describing people and their social roles — with definitions and example sentences for A2–B2 learners and IELTS Speaking preparation.

English has a wide vocabulary for describing the different types of people in our lives and the roles they play. Beyond close family and friends, we interact with acquaintances, mentors, colleagues, neighbours, and strangers — each with a distinct word that conveys the nature of the relationship. Knowing these words precisely helps you speak and write about social life with accuracy and confidence.

This word list extends beyond the core family vocabulary covered on our Family page. These 20 words cover a broader range of social relationships — from intimate connections to professional and transactional roles. They are particularly useful for IELTS Speaking Part 1 and Part 2, where you are often asked to describe people in your life.

Some of these words overlap in meaning (ally/companion, opponent/rival) but have specific connotations that are worth understanding. Others (landlord/tenant, employer/employee) are clearly paired opposites that are best learned together.

Word List

Word	Meaning	Example Sentence
acquaintance	a person you know slightly but who is not a close friend	We are not close friends — just acquaintances from work.
colleague	a person who works in the same organisation or field as you	She introduced me to her colleagues at the conference.
mentor	an experienced person who guides and advises someone less experienced	My mentor helped me navigate the first year of my career.
rival	a person competing against you for the same goal or position	The two teams have been rivals for over a century.
companion	a person or animal you spend time with; a close associate or travel partner	She adopted a dog as a companion for her elderly mother.
stranger	a person you do not know; someone unfamiliar to you	Never accept a lift from a stranger.
ally	a person or group that supports you, especially in a difficult situation	He found an unexpected ally in his new colleague.
opponent	a person who is on the opposite side from you in a competition or argument	She shook hands with her opponent after the debate.
spouse	a person's husband or wife	Please fill in your spouse's name on the insurance form.
sibling	a brother or sister	She has three siblings — two brothers and a sister.
cousin	the child of your aunt or uncle	My cousin lives in another city but we visit each other often.
neighbour	a person who lives next to or near you	Our neighbours kindly collected our post while we were away.
landlord	a person who owns property and rents it to others (landlady for female)	The landlord agreed to repair the boiler within two days.
tenant	a person who pays rent to live in a property owned by someone else	The tenants have lived in the flat for three years.
employee	a person who is paid to work for an organisation or individual	The company has over two hundred full-time employees.
employer	a person or organisation that pays others to work for them	Her employer offered excellent training and development opportunities.
volunteer	a person who freely offers to do something without being paid	A team of volunteers cleaned up the local park at the weekend.
patient	a person receiving medical treatment from a doctor or hospital	The doctor saw twenty patients during the morning clinic.
customer	a person who buys goods or services from a business	Customer satisfaction is our highest priority.
passenger	a person travelling in a vehicle but not driving or operating it	The train was carrying three hundred passengers at the time of the delay.

Practice with These Exercises

Flash Cards

Review relationship words with spaced repetition

Wordsearch

Find social life words hidden in the grid

Anagram

Unscramble the letters to spell each social word

Hangman

Guess the relationship word letter by letter

Practice What You've Learned

LexFizz has 30 free interactive exercises — no sign-up needed.

Browse All Exercises →

Frequently Asked Questions

What is the difference between an acquaintance and a friend?

A friend is someone you know well and have a close personal bond with — you share experiences, trust each other, and care about each other's well-being. An acquaintance is someone you have met and know by name but do not have a deep personal relationship with. "We are acquaintances" suggests a polite but not close connection, whereas "We are friends" implies a genuine relationship.

What is the difference between a rival and an opponent?

Both words describe someone competing against you, but rival implies a longer-term or more personal competition — often in sport, business, or a career. Opponent is more immediate and situational — the person you are against in a specific game, debate, or contest. You might have an opponent in today's chess match, but a rival is someone you compete with repeatedly over time.

What is the difference between employer and employee?

These are a complementary pair. An employer is the person or organisation that provides work and pays wages. An employee is the person who does the work and receives payment. The suffix -er (or -or) in English often indicates the person who performs an action; the suffix -ee indicates the person who receives it — as in interviewer/interviewee, trainer/trainee.

What is the difference between landlord and landlady?

Landlord is the standard term for a male property owner who rents out property. Landlady refers to a female landlord. However, landlord is increasingly used as a gender-neutral term, especially in formal and legal contexts. The neutral alternative is property owner or lessor in formal writing.

What is the difference between companion and friend?

A companion is someone who accompanies you or spends time with you, but the word does not necessarily imply emotional closeness. It can refer to a travel companion, a paid carer who keeps someone company, or a pet. A friend implies a voluntary, mutual bond based on affection. A companion might not be a friend, but a close friend is certainly also a companion.

How do you use "spouse" in a sentence?

Spouse is a formal, gender-neutral word for a husband or wife. It is commonly used in official documents, forms, and formal writing: "Please list your spouse's date of birth." In everyday conversation, people typically say husband or wife. Spouse is particularly useful when you want to be inclusive or when writing for a diverse audience.

What is a sibling and how is it used?

Sibling is the gender-neutral term for a brother or sister. It is useful when you want to refer to a person's brothers and/or sisters without specifying gender. "She has two siblings" means she has two brothers, two sisters, or one of each. In everyday conversation, brother and sister are more common; sibling is standard in formal writing, medical contexts, and academic discussion.

Does relationship vocabulary appear in IELTS Speaking?

Yes, frequently. IELTS Speaking Part 1 often asks about friends, family, and people in your life. Part 2 commonly asks you to describe a person — a mentor, a neighbour, a colleague. Part 3 may ask broader questions about relationships in modern society. Using precise vocabulary (mentor, acquaintance, ally) instead of just "friend" or "person" significantly improves your lexical resource score.

What is the difference between customer and passenger?

Both are roles a person takes in relation to a service provider, but the context differs. A customer buys goods or services from a business — in a shop, restaurant, or service company. A passenger is specifically someone travelling in a vehicle (train, bus, plane, taxi) operated by someone else. You are a customer of a hotel; you are a passenger on a flight.

What is the best way to learn relationship vocabulary in English?

Practise by describing real people in your life using these words. Write a short paragraph: "My neighbour has been very helpful since I moved here. My mentor at work has given me excellent advice..." This personal connection makes vocabulary much easier to retain. Then reinforce with Flash Cards and Wordsearch exercises from this page.