happy adjective Feeling or showing pleasure, contentment, or a sense of well-being. The children were happy to spend the whole afternoon playing in the park. + sad adjective Feeling or showing unhappiness, sorrow, or disappointment about something that has happened. She felt sad after saying goodbye to her best friend at the airport. + big adjective Large in size, amount, degree, or importance, especially compared to what is typical. They moved into a big house with plenty of room for guests. + small adjective Limited in size, amount, or extent compared with what is usual or expected. They live in a small apartment near the city center. + hot adjective Having a high temperature, or, informally, currently very popular, exciting, or in great demand. The soup was too hot to eat straight off the stove. + cold adjective Having a low temperature, especially one that is uncomfortable or unpleasant. The water in the mountain lake was too cold to swim in for long. + fast adjective Moving or capable of moving at high speed; happening quickly. The cheetah is the fastest land animal, capable of incredible bursts of speed. + slow adjective Moving, happening, or working at a low speed; not fast. Traffic was painfully slow during the morning commute after the accident. + friend noun A person one knows well, trusts, and enjoys spending time with, apart from family or romantic partners. She met her closest friend on the very first day of college. + family noun A group of people related by blood, marriage, or close bonds, typically including parents and children. Three generations of the family gathered together for the holiday dinner this year. + house noun A building where people, usually one family, live. They bought a small house near the edge of town. + school noun An institution where children or students go to receive education. Most children in the town walk to school every morning. + water noun The clear, odorless liquid that forms rivers, lakes, and rain, essential for all known life. We filled our bottles with cold water before starting the long hike. + food noun Any substance that people or animals eat or drink to survive and grow. They packed enough food for the entire week-long camping trip. + morning noun The early part of the day, lasting from sunrise until midday. I always go for a run early in the morning before work. + evening noun The period of the day between late afternoon and nightfall. We usually eat dinner in the evening, around seven o'clock. + today adverb On or during the present day. Today is the deadline for submitting the grant application. + tomorrow adverb On the day after today. We are leaving for the airport early tomorrow morning before sunrise. + yesterday adverb On or during the day before today. We went hiking yesterday, and my legs are still sore from the climb. + color noun The property of an object that produces a particular visual sensation because of the light it reflects or emits. The autumn leaves turned a brilliant color of orange and red almost overnight. + number noun A mathematical value used for counting, measuring, or labeling, or a quantity of people or things. She wrote the phone number down before she could forget it. + animal noun A living organism that can move independently and feeds on organic matter, distinct from plants. The zoo houses animals from every continent, including lions, penguins, and elephants. + weather noun The state of the atmosphere at a particular time and place, including temperature, wind, and rain. The weather turned cold and rainy just as the picnic was about to start. + clothes noun Items worn to cover the body, such as shirts, trousers, and dresses. He packed enough clothes for a week-long trip in one small suitcase. + work noun Activity involving physical or mental effort done to achieve a purpose or result, especially as employment. She has a lot of work to finish before the deadline. + play verb To engage in an activity for enjoyment or recreation rather than for a serious or practical purpose. The children played in the park until the sun began to set. + help noun Assistance or support given to someone to make a task easier or a problem more manageable. Thank you for your help moving the furniture into the new apartment. + thank verb To express gratitude to someone for something they have done or given. She thanked the volunteers warmly for spending their weekend helping at the shelter. + sorry adjective Feeling regret, sympathy, or sadness about something, especially a mistake or someone else's misfortune. I'm sorry for stepping on your foot in the crowded elevator. + please interjection Used as a polite way to make a request more courteous, or to accept an offer. Could you please pass the salt when you get a chance? +