Words starting with R

Radioactive material gives out invisible energy called radiation. It can be dangerous and must be handled carefully.

To leave a game, activity, or online discussion suddenly because you are very angry or frustrated.

Water that falls from clouds in drops. It is a common form of weather.

A result or effect of a decision or action, often complex or far-reaching.

Used to describe fats, oils, or food that has gone bad and tastes or smells unpleasant. It can also mean something is rotten or stale.

A feeling of great joy and excitement. It is stronger and more intense than simple happiness.

A strong feeling of shock mixed with great joy, wonder, or excitement. It describes a reaction when something seems unbelievable, but in a very happy way.

To officially approve or confirm something so that it becomes valid or binding.

based on clear thinking and good reasons, not on strong feelings. A rational choice is sensible and well thought out.

To grow or build up until a change happens because enough people, support, or pressure is present. It is often used for ideas, trends, protests, or online content.

A reaction is something you do, say, or feel in response to an event, person, or situation. It can be a physical, emotional, or spoken response.

To look at and understand written or printed words. It also means to study something carefully, like a book or sign.

Prepared for something, or in a state where something can happen now. It can also mean willing to do something.

Real means actual and not imagined, copied, or fake. It can also mean true or genuine in everyday use.

Reality is the world as it really is, not as imagined, hoped for, or expected. It can also mean a true fact or situation.

A reason is a cause, explanation, or main purpose for something. It answers why something happens or why someone does it.

To change a room, event, or situation so it feels fresh, better, or more energetic again.

Refusing to obey rules or authority, often in a stubborn way. It is often used in formal writing.

To adjust something again so it works better or gives a more accurate result. It often means making small changes after checking how things are going.

A written or printed record that shows you have paid for something. It often includes the date, price, and shop name.

A thing that is returned or exchanged; a mutual situation where actions or feelings are shared equally.

To give, feel, or do something in return for what someone else gave, felt, or did. It often suggests a matching response.

To think about something in a new way. It means to change the basic idea, plan, or model you use for it.

To make two people or groups friendly again after a disagreement. It can also mean to bring different facts, ideas, or accounts into agreement.

To make something whole, active, or usable again, often by adding liquid or putting parts back together. It is used in formal or scientific writing.

To place something in a new context so it is understood in a different way. Writers, teachers, and researchers use it when they want people to see an idea differently.

An official written or digital account of facts, events, or actions. It is kept for later use, proof, or reference.

To happen or appear again after a period of time or in a repeated way. This word is more formal than happen again and often describes events, problems, or ideas that return periodically, especially in academic or analytical contexts. It differs from similar words by focusing on patterned repetition over time rather than a single return.

To send or point something to a new or different destination or target.

To make something smaller in size, amount, number, or level. It can also mean to make a problem, cost, or risk less.

Reduction is a decrease in size, amount, number, or level. It can also mean the act of making something smaller or less.

The state of having more than what is needed, or the extra part itself. It can also mean a job loss because a company no longer needs that worker.

Something is redundant when it is not needed because it adds no new meaning — the idea is already covered. Removing it makes no difference.

To change the internal structure of code or a system without changing what it does for users. People do this to make code cleaner, easier to maintain, or faster to work with.

If something is refined, it has been improved by careful work. It is cleaner, better shaped, or more exact than before.

To bounce back light, heat, sound, or an image from a surface. A mirror reflects your face.

a thoughtful, calm feeling of thanks, where you pause and notice why you feel grateful. It is more deliberate than a quick thank-you.

To make light, heat, or sound bend as it passes through a different material. Glass and water can refract light.

To prove that something is wrong or false with clear evidence.

If you regret something, you feel sorry that it happened or that you did it. You wish you had made a different choice.

To control or manage something so that it works correctly or safely.

To control or balance the body’s daily sleep-wake cycle and other body functions that follow a 24-hour pattern.

Related to rules, laws, or official control. It describes things that are made, checked, or managed by a government or authority.

To practise a play, speech, song, or other performance before the real event. You do it to improve timing, memory, and confidence.

To make something abstract, like an idea or plan, seem real or concrete. It often means treating a concept as if it were a physical thing.

To strengthen or support something so it is less likely to fail or be forgotten.

to spend time making something new that already exists in a good form. It often suggests wasted effort or poor planning.

To say or do something again, often to emphasize or make sure it is understood.

To make someone or something feel or look fresh, active, and full of energy again. It can also mean to give new life or strength to something.

A person who believes that truth, right and wrong, or value depends on context, culture, or point of view. A relativist does not always think there is one fixed answer for everyone.

To become less tense, worried, or busy. It can also mean to make something less tight or stiff.

A reliable person or thing can be trusted to do what is needed. It works well, stays true, or gives correct results.

A feeling of calm after fear, worry, pain, or stress has ended or become smaller.

Feeling less worried, upset, or stressed because a bad situation has improved or ended. It can also mean that a difficult feeling has gone away.

To give up or let go of something such as a right, possession, or responsibility.

Unwilling to do something, or slow to agree to it. A reluctant person may do it, but not gladly.

To fix a problem, especially by making something safe, correct, or better after damage or harm. It is common in formal, technical, and academic writing.

A remedy is a treatment or medicine that helps cure a problem or illness. It can also be a way to fix something bad or unpleasant.

To change a song or recording by adding, removing, or changing parts, often to make a new version for dance or clubs. More generally, to reuse existing material and change it into something new.

Remorse is a deep feeling of guilt and sadness after you have done something wrong. It is stronger and more painful than simple regret.

Far away in distance, or not easy to reach. It can describe a place, village, area, or location.

In a way that is far from a place, person, or thing. It can also mean through a computer or from a distance.

A cold, thick sauce made with mayonnaise or oil, mustard, herbs, capers, and pickles. It is often served with seafood, meat, or fried foods.

To give or provide something, or to cause something to be delivered or presented.

To fix something that is broken, damaged, or not working well. It can also mean to make a relationship or situation better.

A repertoire is all the songs, pieces, or acts that a performer knows and can perform. It can also mean the range of things a person or group can do well.

To feel unhappy, dissatisfied, or sad about something, often quietly and for a long time. It is a formal or literary word.

To fill something again after it has been used or emptied. It can also mean to make something full or strong again.

A replica is an exact or very close copy of an object, often made to look like the original. It is used for display, study, or decoration.

To make something again that is exactly the same as the original.

To answer someone by speaking or writing after they have asked, said, or sent something. It is common in conversation, email, and messages.

To stop yourself from showing or acting on an emotion or desire.

To change the time or date of something to a later or different time. People use it for meetings, appointments, flights, and events.

Feeling angry or upset because you think something is unfair. A resentful person often remembers a slight or bad treatment.

Resentment is a feeling of anger or unhappiness because you think someone was unfair, rude, or hurtful to you. It can stay in your mind for a long time.

A place where someone lives. It is a more formal word than "home" or "house". It can also mean an official building where someone lives or stays.

Able to recover quickly after something difficult or painful happens. A resilient person faces setbacks — like failure, loss, or stress — and finds a way to bounce back and keep going.

To evoke shared feelings or ideas; to strongly connect with someone.

A supply of money, people, materials, or time that can be used when needed. It can also mean something useful that helps you do a job or solve a problem.

To control or limit something.

To change the structure of something, especially an organisation, plan, or system, so it works better. It can also mean to arrange parts in a new way.

Looking back at past events, or using knowledge from the present to judge the past. It often describes a careful review of what happened.

To make a loud sound that bounces off walls or other surfaces and keeps going. It can also mean a feeling, idea, or effect spreads and is felt widely.

To feel deep respect or admiration for someone or something.

Showing deep respect mixed with strong amazement. It describes a feeling or attitude toward someone or something seen as very important, holy, or impressive.

A respectful, deeply modest attitude toward someone or something seen as very important, holy, or greater than oneself.

To move or cause to move in a circular path around a central point or axis; to center on something important or someone. (6 words)

In a way that has a regular, repeated beat or pattern. It can also mean in a smooth, measured way.

Having a lot of money, property, or valuable things. Rich people have more wealth than most people. It can also mean something has a lot of an important quality, like taste, colour, or detail.

a thick, full-flavoured sauce made from tomatoes, often cooked with oil, onions, garlic, and herbs. It is richer and more savoury than plain tomato sauce.

A short musical phrase that repeats, often as part of a song. It is common in rock, jazz, and pop music.

True or correct; not wrong. It can also mean suitable or fair in a situation.

Based on a clear idea of moral good and bad. It describes decisions, questions, or arguments about what is morally right or wrong.

Very thorough, strict, and demanding in standards or methods.

A rich French meat spread made from cooked, shredded meat mixed with fat. It is usually eaten cold on bread or toast.

Riparian means related to the banks of a river or other body of water. It is often used in geography, law, and environmental writing.

A strip of land along a river, stream, or other waterway. It often has plants and trees that help protect the water and support wildlife.

Fresh fruits and vegetables that are fully grown and ready to eat, especially when bought in their natural season.

to move upward or to go to a higher position, level, or amount. It can also mean to get up from a bed, seat, or place.

The natural ability to attract, charm, or impress others, especially in a romantic way. Someone with rizz seems effortlessly appealing without trying too hard.

a creamy dip made with roasted garlic, usually eaten with bread, chips, or vegetables. It has a mild, sweet garlic taste, not the sharp taste of raw garlic.

A robot is a machine that can do tasks by itself or with some computer control. It often looks like a person, but it can also be a simple machine used in factories.

Strong, healthy, and full of energy. Used to describe a person or living thing that is in very good physical condition.

A hard natural material that forms part of the earth's surface. It is often found as large pieces or mountains.

To do or say something that causes trouble or upsets a situation that was calm. It often means you are challenging agreement or harmony.

A rocky place or surface is covered with rocks or has many rocks. A rocky road or path is difficult to walk or drive on.

Rococo describes a style that is very decorative, fancy, and filled with small details. It is often used for art, buildings, furniture, or writing that feels overly ornate.

Having a curved shape with no corners or sharp edges. It can also mean complete, even, or smooth in shape or sound.

A routine is a usual way of doing things, especially one you repeat every day. It can also mean a set of regular activities or habits.

A rule is an official instruction that tells people what they must or must not do. It can also mean a usual pattern or principle in a game, school, or society.

Ideas or principles that guide how someone lives their life. They often cover behaviour, values, and choices. The phrase is usually used in a general or thoughtful way.

To think about something carefully for a long time, especially a problem or decision. It often suggests quiet, repeated thought.

to move quickly on foot, faster than walking. It can also mean to manage or operate something, like a business, machine, or event.