始める 定義と意味 | ブリタニカ辞典

Begin Definition & Meaning | Britannica Dictionary The Britannica Dictionary mobile search Home Ask the Editor Word of the Day Quizzes Core Vocabulary Browse the Dictionary × Britannica Homepage Ask the Editor Word of the Day Quizzes Core Vocabulary Browse the Dictionary The Britannica Dictionary begin 4 ENTRIES FOUND: begin (verb) beginning (noun) beginning (adjective) home (noun) begin /bɪ ˈ gɪn/ verb begins ; began /- ˈ gæn/ ; /bɪ ˈ gæn/ ; begun /- ˈ gʌn/ ; /bɪ ˈ gʌn/ ; beginning begin /bɪ ˈ gɪn/ verb begins ; began /- ˈ gæn/ ; /bɪ ˈ gæn/ ; begun /- ˈ gʌn/ ; /bɪ ˈ gʌn/ ; beginning Britannica Dictionary definition of BEGIN 1 a : to do the first part of an action : to start doing something [ + object ] They will begin construction on the new school soon. I got the job and I begin work on Monday! She'll begin the lecture at 10. He plans to begin the project later this week. They both began their careers at the local newspaper. The university began accepting applications in November. I had just begun eating when the phone rang. She interrupted as soon as I began to speak. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples [ no object ] He began by showing some photographs of his trip. = He began with some photographs of his trip. Now that I've begun , I'll go on till I finish. You'll have to begin again. [=start over] [+] more examples [-] hide examples [+] Example sentences [-] Hide examples b [ + object ] : to start to work on, produce, or give attention to (something) I began the quilt last month. I began (reading) the book last week. Schubert began more symphonies than he finished. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples c [ + object ] : to cause (something) to start The chairman began the meeting at noon. They began [= founded ] the state's first traveling theater troupe. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples d [ + object ] : to start to have a feeling, thought, etc. — usually followed by to + verb She began to feel dizzy soon after the accident. I'm beginning to think the oversight was intentional. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples — sometimes + -ing verb She began feeling dizzy soon after the accident. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 2 : to start to happen, to exist, to be done, etc. [ no object ] The meeting began [= started ] in the morning and finished/ended at noon. Construction on the new school will begin soon. Our problems were just beginning . When does the play begin ? The rain began around noon. Let the games begin . The American Civil War began in 1861 and ended in 1865. His passion for music began at the age of six when he had his first piano lessons. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples [ + object ] — followed by to + verb It's beginning [= starting ] to rain . The flowers on the trees are beginning to bloom . [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 3 [ no object ] a : to have a particular starting point : to start at a specified place or in a specified way “Where does the river begin ?” “It begins in the mountains to the north.” The meeting began on a positive note. The meeting began with an announcement. [=an announcement was made at the start of the meeting] The English alphabet begins with A and ends with Z. Each sentence should begin with a capital. The season began with our team in last place but finished (up) with us in first place. Her long career in advertising began at a small firm in Chicago. Prices for the hotel rooms begin at 85 dollars. [=85 dollars is the lowest price for a hotel room; some rooms cost more than 85 dollars] The road begins at the bottom of the hill and ends at the top of the hill. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples b : to have a specified quality, identity, job, etc., at the start — + as What began [= started ] as a simple idea has become a complicated project. The town began as a small farming community. He began as a clerk [=he was a clerk when he started working] and eventually became president of the company. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 4 [ + object ] : to start speaking by saying (something) “Allow me to introduce myself,” he began . [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 5 — used in an exaggerated way to say that something is not possible I can't even begin to describe how good the food was. [=the food was very good] I can't begin to tell you how grateful I am for all your help. [=I am very grateful for all your help] I can hardly begin to thank you for all you've done. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples to begin with 1 : as the first thing to be thought about or considered “I don't think we should buy the car.” “Why not?” “ To begin with , I'm not sure we can afford it.” [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 2 : at the start : before the current time or situation She has lost a lot of weight, and she wasn't very heavy to begin with . She didn't like her job to begin with , [= at first, initially ] but she got used to it eventually. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples ASK THE EDITOR What is meant by 'late Thursday'? See the answer » QUIZZES Vocabulary Quiz Test your word power Take the Quiz » Name That Thing Take our visual quiz Test Your Knowledge » WORD OF THE DAY ceramic : made of clay that has been heated to a high temperature to harden it Learn More » About Us & Legal Info Contact Us Privacy Notice Terms of Use Pronunciation Symbols Help d="M0 12c0 5.123 3.211 9.497 7.73 11.218-.11-.937-.227-2.482.025-3.566.217-.932 1.401-5.938 1.401-5.938s-.357-.715-.357-1.774c0-1.66.962-2.9 2.161-2.9 1.02 0 1.512.765 1.512 1.682 0 1.025-.653 2.557-.99 3.978-.281 1.189.597 2.159 1.769 2.159 2.123 0 3.756-2.239 3.756-5.471 0-2.861-2.056-4.86-4.991-4.86-3.398 0-5.393 2.549-5.393 5.184 0 1.027.395 2.127.889 2.726a.36.36 0 0 1 .083.343c-.091.378-.293 1.189-.332 1.355-.053.218-.173.265-.4.159-1.492-.694-2.424-2.875-2.424-4.627 0-3.769 2.737-7.229 7.892-7.229 4.144 0 7.365 2.953 7.365 6.899 0 4.117-2.595 7.431-6.199 7.431-1.211 0-2.348-.63-2.738-1.373 0 0-.599 2.282-.744 2.84-.282 1.084-1.064 2.456-1.549 3.235C9.584 23.815 10.77 24 12 24c6.627 0 12-5.373 12-12S18.627 0 12 0 0 5.373 0 12"> © 2026 Encyclopædia Britannica, Inc.