リサーチの定義と意味 - メリアム・ウェブスター

RESEARCH Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition noun verb noun 2 noun verb Synonyms Example Sentences Word History Phrases Containing Rhymes Entries Near Cite this Entry Citation Kids Definition Kids More from M-W Show more Show more Citation Kids More from M-W Save Word To save this word, you'll need to log in. Log In research 1 of 2 noun re·​search ri-ˈsərch ˈrē-ˌsərch Synonyms of research Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. 1 : studious inquiry or examination especially : investigation or experimentation aimed at the discovery and interpretation of facts, revision of accepted theories or laws in the light of new facts, or practical application of such new or revised theories or laws gave their time to research cancer/AIDS/drug research medical/scientific/scholarly research She conducts research into/on the causes of Alzheimer's disease. The study is an important piece of research . — often used before another noun research data/findings a research program/project/report/paper a research lab/library/center 2 : the collecting of information about a particular subject They did a lot of research before buying a new car. 3 : careful or diligent search research 2 of 2 verb researched ; researching ; researches transitive verb 1 : to study or investigate carefully research a problem researching the connection between stress and disease Homebuyers should research what an HOA [=homeowner's association] requires before buying or moving into a community. — Catherine Reagor Researching the plant's growth habits will allow its mature size to guide you in choosing the right plant for the perfect spot. — Kristin Guy 2 : to do research for research a book The reporter made hundreds of telephone calls while researching the story. intransitive verb : to engage in research researchable ri-ˈsər-chə-bəl ˈrē-ˌsər- adjective researcher noun Synonyms of research Relevance Noun investigation inquiry study exploration examination Verb explore investigate examine See All Synonyms & Antonyms in Thesaurus Examples of research in a Sentence Noun She conducts research into the causes of Alzheimer's disease. Recent research shows that the disease is caused in part by bad nutrition. The study is an important piece of research . He did a lot of research before buying his car. Verb He spent the summer researching his dissertation. Before going out to eat, she researched area restaurants. The reporter made hundreds of telephone calls while researching the story. See More Recent Examples on the Web Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback . Noun Domingo discovered Pimp while doing research for his role as X in the film Zola. — Carly Tagen-Dye, PEOPLE , 29 Apr. 2026 The recommendations span the gamut of expanding research into hate crime data, improving security funding, addressing the display of hate symbols, expanding social media and digital literacy, and increasing educational resources for professionals teachers and students. — Beth Bailey, FOXNews.com , 29 Apr. 2026 Verb Some critics of the industry have suggested that legalization in the states has led to stronger and stronger cannabis products, which need to be researched rather than categorized less strictly than before. — ABC News , 23 Apr. 2026 BestReviews spends thousands of hours researching , analyzing and testing products to recommend the best picks for most consumers. — Bestreviews, Mercury News , 23 Apr. 2026 See All Example Sentences for research Word History Etymology Noun Middle French recerche , from recercher to go about seeking, from Old French recerchier , from re- + cerchier, sercher to search — more at search First Known Use Noun 1577, in the meaning defined at sense 3 Verb 1588, in the meaning defined at transitive sense 1 Time Traveler The first known use of research was in 1577 See more words from the same year Phrases Containing research marketing research market research operations research oppo research research and development research park translational research Rhymes for research recherche birch lurch perch search interchurch See All Rhymes for research Browse Nearby Words reseal research research and development See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Research.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/research. Accessed 30 Apr. 2026. Copy Citation Kids Definition research 1 of 2 noun re·​search ri-ˈsərch ˈrē-ˌsərch 1 : careful study and investigation for the purpose of discovering and explaining new knowledge 2 : the collecting of information about a subject research 2 of 2 verb 1 : to search or investigate thoroughly research her options 2 : to do research for research a book researcher noun More from Merriam-Webster on research Nglish: Translation of research for Spanish Speakers Britannica.com: Encyclopedia article about research Last Updated: 30 Apr 2026 - Updated example sentences Love words? Need even more definitions? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Merriam-Webster unabridged More from Merriam-Webster Word of the Day interlocutor See Definitions and Examples » Get Word of the Day daily email! Popular in Grammar & Usage See More More Commonly Mispronounced Words 5 Verbal Slip Ups and Language Mistakes Is that lie 'bald-faced' or 'bold-faced'? The Difference Between 'i.e.' and 'e.g.' Why is '-ed' sometimes pronounced at the end of a word? See More Popular in Wordplay See More The Longest Long Words List 9 Other Words for Beautiful Was 'nervous Nellie' a Real Person? 12 Lovely and Unusual Words for the Natural World Why do we 'bury the lede?' See More Popular See More More Commonly Mispronounced Words The Longest Long Words List 9 Other Words for Beautiful See More Games & Quizzes See All Quordle Can you solve 4 words at once? Play Blossom Pick the best words! Play The Missing Letter A daily crossword with a twist Play Sound Check: A Musical Word Quiz Tune-up your vocabulary Take the quiz See All