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A series of musical notes that are pleasant to listen to.

Example: She played a happy tune on the piano.

Two times or on two occasions.

Example: I brush my teeth twice a day.

not sure about something or not knowing what will happen.

Example: She feels uncertain about what to do next.

Not feeling relaxed or feeling slightly worried or embarrassed.

Example: She felt uncomfortable talking in front of so many people.

Below the surface of water.

Example: The children saw many fish while swimming underwater.

Feeling worried or uncomfortable about something.

Example: She felt uneasy about walking home alone at night.

Not treating people in an equal or just way.

Example: It is unfair that she got a bigger piece of cake than me.

Something so good, interesting, or special that you cannot forget it.

Example: Our trip to the mountains was an unforgettable experience.

Not happy; feeling sad or upset.

Example: She was unhappy because she lost her favorite book.

Not good for your health.

Example: Eating too much fast food is unhealthy.

A special set of clothes worn by all members of a group, such as students or workers, to show they belong to that group.

Example: All the students at my school wear a blue uniform.

Not important or not necessary.

Example: This mistake is unimportant, so don’t worry about it.

A single thing or group that is part of something larger.

Example: Each unit in the book has a test at the end.

Not known or familiar.

Example: The movie is about a man who travels to an unknown place.

Different from someone or something.

Example: Unlike her brother, she loves reading books.

Not needed or more than what is needed.

Example: It is unnecessary to bring so much food to the picnic.

Not nice or enjoyable.

Example: The weather was cold and unpleasant yesterday.

Different from what is normal or common.

Example: The weather is very unusual for this time of year.

To a higher position or place.

Example: She looked up at the sky.

On or onto something.

Example: She put the book upon the table.

Unhappy or worried about something.

Example: She was upset because she lost her favorite book.

The upper floor or floors of a building.

Example: She went to the upstairs to grab a book from her bedroom.

To do something with an object, tool, or method for a specific purpose.

Example: I use my phone to call my friends.

Helping you to do or achieve something.

Example: This book is very useful for learning English.

Normal or typical; happening most of the time or in most situations.

Example: I went to bed at the usual time last night.

A low area of land between hills or mountains, often with a river running through it.

Example: The river flows through the valley between the two mountains.

The amount of money something is worth or how important something is.

Example: This watch is of great value to me.

A word that describes an action, state, or event.

Example: "The word 'run' is a verb."

A game that you play on a computer, console, or other electronic device.

Example: My brother likes to play video games after school.

Using or involving physical force to hurt or damage someone or something.

Example: The movie was too violent for young children.

A musical instrument with four strings that you play with a bow.

Example: She is learning to play the violin at school.

Someone who goes to a place to see it or spend time there.

Example: The museum had many visitors yesterday.

The sounds that someone makes when they speak or sing.

Example: Her voice is very soft and beautiful.

The activity of moving on foot at a regular pace, especially for exercise or leisure.

Example: Walking is a good way to stay healthy.

A small flat case used for carrying money, cards, and other small personal items.

Example: He put his money and credit card in his wallet.

To walk around slowly in a relaxed way or without a clear purpose or direction.

Example: We decided to wander around the park after lunch.

A machine used for washing clothes, sheets, and other fabric items.

Example: We put the dirty clothes in the washing machine.

The act of cleaning dishes, plates, and other kitchen items after a meal.

Example: I will do the washing-up after dinner.

To move your hand from side to side to say hello or goodbye.

Example: He waved at me from across the street.

Not strong or lacking strength.

Example: She felt weak after being sick for a few days.

A large amount of money, property, or valuable things that someone has.

Example: The family gained their wealth from running a successful business.

a net made by a spider to catch insects.

Example: The spider is making a web in the corner of the room.

A ceremony where two people get married.

Example: They are planning their wedding for next summer.

A day of the week that is not Saturday or Sunday.

Example: I go to school on weekdays.

To cry, usually because you are sad.

Example: She began to weep when she heard the bad news.

To measure how heavy someone or something is.

Example: She weighs the apples on the scale.

The direction where the sun sets, opposite to the east.

Example: The sun sets in the west.

Covered in or full of water or another liquid.

Example: Be careful, the floor is wet.

A chair with wheels, used by people who cannot walk.

Example: She uses a wheelchair to move around the house.

Used to mean "during the time that" something happens.

Example: She listened to music while she cleaned her room.