防衛の定義と意味 - メリアム・ウェブスター

DEFENSE 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 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 defense 1 of 2 noun de·​fense di-ˈfen(t)s as antonym of "offense" often ˈdē-ˌfen(t)s Synonyms of defense 1 a : the act or action of defending the defense of our country speak out in defense of justice quickly jumped to her friend's defense b law : the denial, answer, or plea (see plea sense 1b ) of one against whom a criminal or civil action is brought : a defendant 's denial, answer, or plea 2 a : capability of resisting attack the body's defense against disease b sports : ability to keep an opponent from scoring in a game or contest : defensive play or ability a player known for good defense 3 a : means or method of defending or protecting oneself, one's team, or another the nation's air and ground defenses Big shells are an effective defense against these predators as well. — Gregory P. Dietl also : a defensive structure b : an argument in support or justification offered no defense of his actions c law : the collected facts and theory adopted by a defendant to protect and defend against a plaintiff's action or criminal charge His lawyers used an insanity defense . d chess : a sequence of moves available to the second player in the opening (see opening sense 3a ) 4 a law : a defending party or group (as in a court of law) The defense rests. b sports : a defensive team He was the linchpin of one of the league's stoutest defenses … — Sarah Kwak 5 government : the military and industrial aggregate that authorizes and supervises arms production appropriations for defense defense contract defenseless di-ˈfen(t)s-ləs adjective defenselessly adverb defenselessness noun defense 2 of 2 verb defensed ; defensing transitive verb sports : to take specific defensive action against (an opposing team or player or an offensive play) : to attempt to keep (an opponent or play) from scoring in a game or contest The gangly Pressey was clearly Milwaukee's only real hope of defensing Bird … — Jack McCallum Synonyms of defense Relevance Noun ammunition protection shield safeguard weapon wall See All Synonyms & Antonyms in Thesaurus Examples of defense in a Sentence Noun They put up a good defense , but the city ultimately fell to the invaders. They mounted a good defense . The city's defenses were not strong enough to keep out the invaders. We need to improve our defenses . the nation's air and ground defenses 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 During her first two-plus seasons on the local stage in Lemont, Pontrelli has been a standout from her impressive offensive stats to her versatility on defense . — Tony Baranek, Chicago Tribune , 5 May 2026 The Knicks also targeted the 7-footer on defense , repeatedly using pick-and-rolls to get Embiid matched up with point guard Jalen Brunson, who erupted for 35 points in 31 minutes. — Peter Sblendorio, New York Daily News , 5 May 2026 Verb The lack of ball production is a concern, but McCutchin had 10 passes defensed in 2025. — Luca Evans, Denver Post , 25 Apr. 2026 The 6-2, 191-pounder had 10 passes defensed in 2025. — James Boyd, New York Times , 25 Apr. 2026 See All Example Sentences for defense Word History Etymology Noun Middle English defense, defence, borrowed from Anglo-French defens, defense, defence, borrowed from Medieval Latin dēfensa, dēfensum (Late Latin dēfensa "vengeance"), nominal derivatives from feminine and neuter of Latin dēfensus, past participle of dēfendere "to ward off, defend " Verb derivative of defense entry 1 First Known Use Noun 14th century, in the meaning defined at sense 1a Verb 1932, in the meaning defined above Time Traveler The first known use of defense was in the 14th century See more words from the same century Phrases Containing defense civil defense come / jump to someone's defense cyber defense defense mechanism in defense of (something or someone) in something's or someone's defense jump to someone's defense leap to someone's defense line of defense on defense self - defense testify for the defense / prosecution the defense zone defense Rhymes for defense commence condense defence dispense expense fourpence halfpence immense incense intense missense offence See All Rhymes for defense Browse Nearby Words defenestration defense defense in depth See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Defense.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/defense. Accessed 5 May. 2026. Copy Citation Kids Definition defense noun de·​fense di-ˈfen(t)s ; as antonym of "offense" often ˈdē-ˌfen(t)s 1 : the act of defending : resistance against attack 2 : capability of resisting attack 3 a : means or method of defending b : an argument in support 4 a : a defending party or group b : a defensive team 5 : the answer made by the defendant in a legal action defenseless di-ˈfen(t)s-ləs adjective defenselessly adverb defenselessness noun defensibility di-ˌfen(t)-sə-ˈbil-ət-ē noun defensible -ˈfen(t)-sə-bəl adjective defensibly -blē adverb Medical Definition defense noun de·​fense variants or chiefly British defence di-ˈfen(t)s : a means or method of protecting the physical or functional integrity of body or mind ability to concentrate urine may be interpreted as a renal defense of body volume fluid — Jack Metcoff Legal Definition defense noun de·​fense di-ˈfens, ˈdē-ˌfens 1 : the act or action of defending see also self-defense 2 a : the theory or ground that forms the basis for a defendant's opposition to an allegation in a complaint or to a charge in a charging instrument (as an indictment) also : the evidence and arguments presented supporting the defendant's opposition see also accord , alibi , assumption of risk , coercion , consent , contributory negligence at negligence , denial , diminished capacity , duress , entrapment , estoppel , fraud , infancy , insanity , intoxication , laches , mistake , necessity , res judicata , statute of limitations — absolute defense : complete defense in this entry — affirmative defense : a defense that does not deny the truth of the allegations against the defendant but gives some other reason (as insanity, assumption of risk, or expiration of the statute of limitations) why the defendant cannot be held liable Note: The defendant bears the burden of proof as to affirmative defenses. — choice of evils defense : a defense to a criminal charge based on the assertion that the criminal act was committed to avoid the commission of an even greater evil called also lesser evils defense Note: In jurisdictions that recognize the choice of evils defense, it encompasses both of the older defenses of duress and necessity. — complete defense : a defense that shields the defendant from any liability and bars any recovery by the plaintiff compare partial defense in this entry — lesser evils defense : choice of evils defense in this entry — meritorious defense : a defense that is based on evidence sufficient to warrant setting aside a default judgment against the defendant in civil litigation — partial defense : a defense by which the defendant reduces the amount of damages of which he or she is liable compare complete defense in this entry b : a basis upon which an obligor of a negotiable instrument may avoid liability under the instrument — personal defense : a defense of an obligor under a negotiable instrument that can be asserted against anyone but a holder in due course — real defense : a defense of an obligor of a negotiable instrument that may be asserted even against a holder in due course Note: Section 3-305(a)(1) of the Uniform Commercial Code sets out the real defenses as infancy, duress, lack of legal capacity, illegality of the transaction, fraud in the factum, and discharge of the obligor by a bankruptcy court. By exclusion, all other defenses are personal defenses. 3 : the defending side in a legal proceeding the defense rests compare prosecution More from Merriam-Webster on defense Nglish: Translation of defense for Spanish Speakers Last Updated: 5 May 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 augur 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? 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