公式の定義と意味 - メリアム・ウェブスター

OFFICIAL Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition noun adjective noun 2 noun adjective Synonyms Example Sentences Word History Phrases Containing Rhymes Entries Near Related Articles Cite this Entry Citation Kids Definition Kids Medical Definition Medical Legal Definition Legal More from M-W Show more Show more Citation Kids Medical Legal More from M-W Save Word To save this word, you'll need to log in. Log In official 1 of 2 noun of·​fi·​cial ə-ˈfi-shəl ō- Synonyms of official Take our 3 question quiz on official Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. 1 : one who holds or is invested (see invest entry 2 sense 1 ) with an office : officer government officials A company official responded to our request. Take our 3 question quiz on official 2 : one who administers the rules of a game or sport especially as a referee or umpire a football official Quiz: Which word is closest in meaning to official ? official 2 of 2 adjective 1 : of or relating to an office , position, or trust official duties official documents 2 : holding an office : having authority the president's official representative 3 a : authoritative , authorized an official statement an official biography b : prescribed or recognized as authorized an official language the official policy c : done in a public and formal way The museum's official opening is next week. d : described by the U.S. Pharmacopeia or the National Formulary The official drug is sold under several trade names. 4 : befitting or characteristic of a person in office extended an official greeting official condolences officially ə-ˈfi-sh(ə-)lē ō- adverb Synonyms of official Relevance Noun officer Adjective authorized See All Synonyms & Antonyms in Thesaurus Examples of official in a Sentence Noun She interviewed a senior official from the previous administration. A company official responded to our request. Adjective She was accused of destroying official documents. Her illness did not prevent her from performing her official duties. The Vice President is on an official trip. We extended an official greeting to the ambassador. 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 Trump’s second term has proved so radical that officials from his first Administration—including a former chief of staff and a former chairman of the Joint Chiefs of Staff—have referred to him as a fascist. — Peter Slevin, New Yorker , 4 May 2026 At the end of park hours on Sunday, May 3, officials will officially close the beloved ride in order to make refurbishments to the 59-year-old attraction. — Colson Thayer, PEOPLE , 3 May 2026 Adjective Influencer Emma Chamberlain, actor Cara Delevingne, model Ashley Graham and TV personality La La Anthony serve as Vogue’s official red carpet hosts. — Dalila Muata, NBC news , 5 May 2026 The official Chinese population of California went from three individuals in 1848 to twenty thousand four years later. — Jennifer Wilson, New Yorker , 4 May 2026 See All Example Sentences for official Word History Etymology Noun Middle English, "person presiding over an ecclesiastical court, domestic retainer," borrowed from Anglo-French & Medieval Latin; Anglo-French, borrowed from Medieval Latin officiālis "person performing the duties of an office, head of an ecclesiastical court," going back to Latin, "attendant on a magistrate," derivative of officiālis "pertaining to fixed duties" — more at official entry 2 Adjective Middle English, "functional (of a part of the body)," borrowed from Medieval Latin officiālis "functional, pertaining to duties of an office," going back to Latin, "pertaining to fixed duties," from officium "duty, office " + -ālis -al entry 1 First Known Use Noun 14th century, in the meaning defined at sense 1 Adjective circa 1585, in the meaning defined at sense 1 Time Traveler The first known use of official was in the 14th century See more words from the same century Phrases Containing official co - official Rhymes for official initial judicial simplicial surficial artificial beneficial cicatricial interstitial nonjudicial nonofficial prejudicial sacrificial See All Rhymes for official Browse Nearby Words office supply official official at bat See all Nearby Words Articles Related to official 'Officious' vs. 'Official' Plus, a limerick to help you distinguish between these two commonly confused words Cite this Entry Style MLA Chicago APA Merriam-Webster “Official.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/official. Accessed 5 May. 2026. Copy Citation Kids Definition official 1 of 2 noun of·​fi·​cial ə-ˈfish-əl 1 : a person who holds an office 2 : a person who enforces the rules in a game or sport official 2 of 2 adjective 1 : of or relating to an office official duties 2 : having authority to perform a duty the official government of the 13 colonies 3 : prescribed or permitted by authority the official language an official American League baseball 4 : proper for a person in office an official greeting officially -ˈfish-(ə-)lē adverb Medical Definition official adjective of·​fi·​cial ə-ˈfish-əl : prescribed or recognized as authorized specifically : described by the United States Pharmacopeia or the National Formulary compare nonofficial , unofficial officially -ˈfish-(ə-)lē adverb Legal Definition official 1 of 2 noun of·​fi·​cial : one who holds or is invested with an office especially in government a municipal official official 2 of 2 adjective 1 : of, relating to, or holding an office, position, or trust official duties 2 : fully authorized an official policy of the bank officially adverb More from Merriam-Webster on official Nglish: Translation of official for Spanish Speakers Britannica.com: Encyclopedia article about official Last Updated: 5 May 2026 - Updated example sentences Love words? 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