自発的な定義と意味 - メリアム・ウェブスター

VOLUNTARY Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition adjective noun adjective 2 adjective noun Synonyms Synonym Chooser Example Sentences Word History Phrases Containing Entries Near 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 voluntary 1 of 2 adjective vol·​un·​tary ˈvä-lən-ˌter-ē Synonyms of voluntary Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. 1 : proceeding from the will or from one's own choice or consent a voluntary action voluntary cooperation 2 : unconstrained by interference : self-determining a voluntary participant 3 law a : done by design or intention : intentional was convicted of voluntary manslaughter b : acting or done of one's own free will without valuable consideration or legal obligation a voluntary conveyance 4 : of, relating to, subject to, or regulated by the will voluntary muscle movements voluntary behavior 5 : having power of free choice a voluntary agent 6 : provided or supported by voluntary action a voluntary institution/organization voluntarily adverb voluntariness noun voluntary 2 of 2 noun plural voluntaries 1 a : a prefatory often extemporized musical piece b : an improvisatory organ piece played before, during, or after a religious service 2 : one who participates voluntarily Synonyms of voluntary Relevance Adjective volunteer willing See All Synonyms & Antonyms in Thesaurus Choose the Right Synonym for voluntary voluntary , intentional , deliberate , willing mean done or brought about of one's own will. voluntary implies freedom and spontaneity of choice or action without external compulsion. a voluntary confession intentional stresses an awareness of an end to be achieved. the intentional concealment of vital information deliberate implies full consciousness of the nature of one's act and its consequences. deliberate acts of sabotage willing implies a readiness and eagerness to accede to or anticipate the wishes of another. willing obedience Examples of voluntary in a Sentence Adjective Participation in the program is completely voluntary . He was charged with voluntary manslaughter. the voluntary muscles that control urination 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 . Adjective Saudi Arabia, which has repeatedly absorbed the largest share of voluntary cuts to compensate for quota violators like Iraq and Kazakhstan, now faces an even heavier lift. — Wael Mahdi, semafor.com , 28 Apr. 2026 Microsoft has offered thousands of its own employees a voluntary buyout, the largest the company has ever offered. — Sasha Rogelberg, Fortune , 28 Apr. 2026 Noun Others made the shift into self-employment voluntary after taking the time to evaluate their professional standing. — Jasmine Browley, Essence , 12 July 2022 In Libya, Muammar Gaddafi voluntary gave up his nuclear program, but that didn’t stop the United States from actively supporting rebels who toppled his regime and savagely killed him. — Michael A. Cohen, The New Republic , 25 Jan. 2022 See All Example Sentences for voluntary Word History Etymology Adjective Middle English, from Anglo-French voluntarie , from Latin voluntarius , from voluntas will, from velle to will, wish — more at will First Known Use Adjective 15th century, in the meaning defined at sense 4 Noun 1598, in the meaning defined at sense 1a Time Traveler The first known use of voluntary was in the 15th century See more words from the same century Phrases Containing voluntary voluntary muscle voluntary worker Browse Nearby Words voluntarism voluntary voluntary affidavit See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Voluntary.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/voluntary. Accessed 5 May. 2026. Copy Citation Kids Definition voluntary 1 of 2 adjective vol·​un·​tary ˈväl-ən-ˌter-ē 1 : done, given, or made with one's own free will voluntary assistance 2 : not accidental : intentional voluntary manslaughter 3 : of, relating to, or controlled by the will voluntary behavior voluntary 2 of 2 noun plural voluntaries : a musical piece played usually on the organ at a religious service Medical Definition voluntary adjective vol·​un·​tary ˈväl-ən-ˌter-ē 1 : proceeding from the will or from one's own choice or consent 2 : of, relating to, subject to, or regulated by the will voluntary behavior voluntarily adverb Legal Definition voluntary adjective vol·​un·​tary ˈvä-lən-ˌter-ē 1 a : proceeding from one's own free choice or consent rather than as the result of duress, coercion, or deception a voluntary statement b : not compelled by law : done as a matter of choice or agreement voluntary arbitration c : made freely and with an understanding of the consequences a voluntary plea of guilty 2 : done by design or intention 3 : made without valuable consideration or for nominal consideration a voluntary conveyance voluntarily ˌvä-lən-ˈter-ə-lē adverb voluntariness noun More from Merriam-Webster on voluntary Nglish: Translation of voluntary for Spanish Speakers Last Updated: 29 Apr 2026 - Updated example sentences Love words? 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