過大評価の定義と意味 | ブリタニカ辞典

Overestimate 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 overestimate 1 ENTRIES FOUND: overestimate (verb) overestimate /ˌoʊvɚ ˈ ɛstəˌmeɪt/ verb overestimates ; overestimated ; overestimating overestimate /ˌoʊvɚ ˈ ɛstəˌmeɪt/ verb overestimates ; overestimated ; overestimating Britannica Dictionary definition of OVERESTIMATE [ + object ] 1 : to estimate (something) as being greater than the actual size, quantity, or number I overestimated the number of chairs we would need for the party. [=I thought we would need more chairs than we actually did] We overestimated the value of the coins. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples 2 : to think of (someone or something) as being greater in ability, influence, or value than that person or thing actually is She overestimated his ability to do the job. The importance of a good education cannot be overestimated . [=a good education is very important] [+] more examples [-] hide examples [+] Example sentences [-] Hide examples — opposite underestimate — overestimate /ˌoʊvɚ ˈ ɛstəmət/ noun , plural overestimates [ count ] Cost overestimates in the budget left us with extra money in the end. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples — overestimation /ˌoʊvɚˌɛstə ˈ meɪʃən/ noun , plural overestimations [ count, noncount ] ASK THE EDITOR Which is correct: "Aren't you happy?" or "Are you not happy?" 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 artifact : a simple object (such as a tool or weapon) that was made by people in the past 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.