効果の定義と意味 | Dictionary.com

EFFECT Definition & Meaning | Dictionary.com Synonyms effect American [ih- fekt ] / ɪˈfɛkt / noun something that is produced by an agency or cause; result ; consequence . Exposure to the sun had the effect of toughening his skin. Synonyms: issue , outcome power to produce results; efficacy ; force ; influence . His protest had no effect. the state of being operative or functional; operation or execution; accomplishment or fulfillment. to bring a plan into effect. a mental or emotional impression produced, as by a painting or a speech. meaning or sense; purpose or intention. She disapproved of the proposal and wrote to that effect. the making of a desired impression. We had the feeling that the big, expensive car was only for effect. an illusory phenomenon. a three-dimensional effect. a real phenomenon (usually named for its discoverer). the Doppler effect. Usually effects a special effect , practical effect , or visual effect in a movie, TV show, or other video. FX verb (used with object) to produce as an effect; bring about; make happen; accomplish . The new machines finally effected the transition to computerized accounting last spring. Synonyms: consummate , perform , fulfill , realize , achieve idioms take effect , to go into operation; begin to function. to produce a result. The prescribed medicine failed to take effect. in effect , for practical purposes; virtually . His silence was in effect a confirmation of the rumor. essentially; basically . operating or functioning; in force. The plan is now in effect. effect British / ɪˈfɛkt / noun something that is produced by a cause or agent; result power or ability to influence or produce a result; efficacy with no effect the condition of being operative (esp in the phrases in or into effect ) the law comes into effect at midnight to become operative or begin to produce results basic meaning or purpose (esp in the phrase to that effect ) an impression, usually one that is artificial or contrived (esp in the phrase for effect ) a scientific phenomenon the Doppler effect in fact; actually for all practical purposes the overall impression or result the effect of a painting "Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 verb (tr) to cause to occur; bring about; accomplish "Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 effect More Idioms see in effect ; into effect ; take effect ; to that effect . Usage What's the difference between effect and affect ? Effect is most commonly used as a noun meaning a result or consequence. Affect is most commonly used as a verb meaning to act on or produce a change in someone or something. Remembering the difference between the words can be especially hard because these senses of the words have just about the same pronunciation. Complicating things further is the fact that effect can also be used as a verb (meaning to make happen, as in We can only effect change by taking action ) and affect can also be used as a noun (referring to a state of emotion, as in He had a sad affect ). However, these senses of the words are much less commonly used. You can remember that affect is most commonly used as a verb because it begins with a , for action. You can also remember how effect and affect are most commonly used by using the acronym RAVEN :R = RememberA = Affect isV = VerbE = Effect is aN = NounHere’s an example of effect and affect used correctly in the same sentence. Example: It’s unclear what immediate effects the new law will have or how it will affect future generations. Want to learn more? Read the full breakdown of the difference between effect and affect . Commonly Confused See affect 1 . Related Words Effect, consequence(s), result refer to something produced by an action or a cause. An effect is that which is produced, usually more or less immediately and directly: The effect of morphine is to produce sleep. A consequence, something that follows naturally or logically, as in a train of events or sequence of time, is less intimately connected with its cause than is an effect: Punishment is the consequence of disobedience. A result may be near or remote, and often is the sum of effects or consequences as making an end or final outcome: The English language is the result of the fusion of many different elements. Other Word Forms effecter noun effectible adjective preeffect noun uneffected adjective uneffectible adjective well-effected adjective Etymology Origin of effect First recorded in 1350–1400; Middle English, from Latin effectus “the carrying out (of a task, etc.),” hence, “accomplishment, outcome,” equivalent to effec- (variant stem of efficere “to make, carry out”; ef- combining form meaning “out, out from, beyond” + -ficere combining form of the verb facere “do, make”) + -tus suffix of verbal action; cf. ef- , do 1 Explanation Effect is the result of an action, as in those “cause and effect ” papers you might write in English class. Your topic could be how your late-night tuba playing (cause) has driven your roommate insane ( effect ). Another noun use of effect describes an appearance or impression that’s created on purpose, such as the dramatic effect of the bright red walls in your kitchen, or sound effects from your favorite movie. Effect appears less often as a verb, but when it does, it means “produce.” Usually, it’s a noun. It can even refer to your belongings, like when you get kicked out and your former roomie begs you to get all of your personal effects. Keep Reading on Vocabulary.com Vocabulary lists containing effect Jim Burke's Academic Vocabulary List Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide! Academic Vocabulary: Core Tier 2 Words, List 1 Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use! TEKS ELAR Academic Vocabulary List (5th-7th grades) Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time! Example Sentences Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com. It hasn’t, however, had much effect on stocks, prices of which have hit a string of all-time highs powered by solid corporate earnings. From Barron's • May 5, 2026 Revenue declined to 4.61 billion euros from 4.88 billion euros, but rose 3% when excluding the effect of currency changes. From The Wall Street Journal • May 5, 2026 In doing so, the court brushed off its longtime regulation that its decisions not go into full effect until 32 days after an opinion is finalized. From Slate • May 5, 2026 The chances that this effect is completely random are minimal to none. From MarketWatch • May 5, 2026 The games were meant to show the various types of poetic meter: iambic pentameter, for example, which William Shakespeare used to marvelous effect in many of his poems and plays. From "The Interrupted Tale" by Maryrose Wood Related Words aftermath consequence development event fallout issue outcome ramification reaction repercussion response side effect Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023 Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.