effect

noun

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ef·fect | \ i-ˈfekt

, e-, ē-, ə- \

plural effects

Definition of effect

(Entry 1 of 2)

1 : something that inevitably follows an antecedent (such as a cause or agent)

2a : a distinctive impression the color gives the effect of being warm

b : the creation of a desired impression her tears were purely for effect

c(1) : something designed to produce a distinctive or desired impression —usually used in plural

(2) effects plural : special effects

3 : the quality or state of being operative : operation the law goes into effect next week — see also take effect

4 : power to bring about a result : influence the content itself of television … is therefore less important than its effect — Current Biography — see also take effect

5 effects plural : movable property : goods personal effects

6 : an outward sign : appearance

7 : accomplishment, fulfillment

8a : purport, intent

b : basic meaning : essence

in effect

: in substance : virtually the … committee agreed to what was in effect a reduction in the hourly wage — Current Biography

to the effect

: with the meaning issued a statement to the effect that he would resign

effect

verb

effected; effecting; effects

Definition of effect (Entry 2 of 2)

transitive verb

1 : to cause to come into being

2a : to bring about often by surmounting obstacles : accomplish effect a settlement of a dispute

b : to put into operation the duty of the legislature to effect the will of the citizens

Synonyms & Antonyms Choose the Right Synonym Effect vs. Affect: Usage Guide More Example Sentences Learn More About effect

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Choose the Right Synonym for effect

Verb

perform, execute, discharge, accomplish, achieve, effect, fulfill mean to carry out or into effect. perform implies action that follows established patterns or procedures or fulfills agreed-upon requirements and often connotes special skill. performed gymnastics execute stresses the carrying out of what exists in plan or in intent. executed the hit-and-run discharge implies execution and completion of appointed duties or tasks. discharged his duties accomplish stresses the successful completion of a process rather than the means of carrying it out. accomplished everything they set out to do achieve adds to accomplish the implication of conquered difficulties. achieve greatness effect adds to achieve an emphasis on the inherent force in the agent capable of surmounting obstacles. effected sweeping reforms fulfill implies a complete realization of ends or possibilities. fulfilled their ambitions

Effect vs. Affect: Usage Guide

Verb

Effect and affect are often confused because of their similar spelling and pronunciation. The verb affect entry 2 usually has to do with pretense. she affected a cheery disposition despite feeling down The more common verb affect entry 1 denotes having an effect or influence. the weather affected everyone's mood The verb effect goes beyond mere influence; it refers to actual achievement of a final result. the new administration hopes to effect a peace settlement The uncommon noun affect, which has a meaning relating to psychology, is also sometimes mistakenly used for the very common effect. In ordinary use, the noun you will want is effect. waiting for the new law to take effect the weather had an effect on everyone's mood

Examples of effect in a Sentence

Noun The nation's most solvent individuals—private-equity barons—have not been immune from the ill effects of the credit crunch. — Daniel Gross, Newsweek, 3 Mar. 2008 In the Spanish conquest of the Incas, guns played only a minor role. … They did produce a big psychological effect on those occasions when they managed to fire. — Jared M. Diamond, Guns, Germs, and Steel, 1997 Economic effects of such high speed change are also unpredictable and somewhat chilling … — Genevieve Stuttaford, Publisher's Weekly, 29 July 1996 Unlike the venom of coral snakes, fer-de-lance venom has no direct effect on the nervous system but digests muscle, destroys blood cells and causes hemorrhaging and massive edema (swelling). — Robert K. Colwell, Natural History, April 1985 He now needs more of the drug to achieve the same effect. The experience has had a bad effect on him. Computers have had a profound effect on our lives. The effects of the drug soon wore off. This treatment causes fewer ill effects. The change in policy had little effect on most people. He was able to stop taking the drug without ill effect. The total effect of the painting was one of gloom. The color gives the effect of being warm. He achieves amazing effects with wood. Verb As the whole progress of mathematics from its ancient simplicities to what we call its "higher" modern developments has been effected by assuming impossibilities and inconceivabilities, your line of argument does not seem to me conclusive. — Bernard Shaw circa 4 Nov. 1932, in Collected Letters: 1926–1950, 1988 When, at last, rescue is at hand, Jewitt has no hesitation in lying to his old friend and master, Maquinna, in order to effect his escape, although he does persuade the captain of the brig Lydia not to kill the chief. — Carolyn Kizer, New York Times Book Review, 21 Feb. 1988 I had just written the Gossets that your address was Drujon Lane, so I would be obliged if you would drop them a card and tell them your release has been effected. — Flannery O'Connor, The Habit of Being, 1979 Hitherto, while gathering up the discourse of Mr. Brocklehurst and Miss Temple, I had not, at the same time, neglected precautions to secure my personal safety; which I thought would be effected, if I could only elude observation. — Charlotte Brontë, Jane Eyre, 1847 They are trying to effect a settlement of the dispute. The duty of the legislature is to effect the will of the people.

Recent Examples on the Web: Noun The new rule, if passed, would go into effect starting in 2022. — Chris Morris, Fortune, 14 Sep. 2021 Before the legislation went into effect July 1, Gotspace had already inked host fee agreements with Griswold, Groton, Bozrah and Wallingford — all towns with public electric utilities. — Erica E. Phillips, courant.com, 14 Sep. 2021 The mask requirement went immediately into effect once the vote was taken just before 2 p.m. Tuesday. — Pamela Wood, baltimoresun.com, 14 Sep. 2021 In an exclusive interview with me for Forbes, Frye talked about where about the progress of the next generation engine slated to go into effect for the 2023 season. — Maury Brown, Forbes, 14 Sep. 2021 On Wednesday, a similar measure will go into effect on Maui. — Alison Fox, Travel + Leisure, 14 Sep. 2021 But when landlords filed suit, a judge stopped it from going into effect for technical reasons: A Town Council meeting held over Zoom concluded while people still had their virtual hands up, wanting to weigh in, but couldn’t do so. — BostonGlobe.com, 14 Sep. 2021 Attorneys for 51 Detroit hospital workers on Friday withdrew their lawsuit against the Henry Ford Health System over its vaccination policy the same day that the health system's vaccine mandate went into effect. — The Washington Post, Arkansas Online, 13 Sep. 2021 This new arrangement, which is not set to go into effect until 2024, has long-term growth potential for the Big 12. — Nathan Baird, cleveland, 13 Sep. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'effect.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

History and Etymology for effect

Noun

Middle English effect, effete "achievement, result, capacity to produce a result, gist, purpose," borrowed from Anglo-French & Latin; Anglo-French effette, effect, borrowed from Latin effectus "carrying out (of a purpose or task), result, mode of operation," from effec-, variant stem of efficere "to make, construct, bring about, produce, carry out" (from ef-, assimilated form of ex- ex- entry 1 + facere "to do, make, bring about") + -tus, suffix of action nouns — more at fact

Verb

in part verbal derivative of effect entry 1, in part borrowed from Latin effectus, past participle of efficere "to make, bring about" — more at effect entry 1

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From the Editors at Merriam-Webster

Dictionary Entries Near effect

effacement

effect

effecter

Statistics for effect

Last Updated

17 Sep 2021

Cite this Entry

“Effect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/effect. Accessed 19 Sep. 2021.

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More Definitions for effect

effect

noun

English Language Learners Definition of effect

(Entry 1 of 2)

: a change that results when something is done or happens : an event, condition, or state of affairs that is produced by a cause

: a particular feeling or mood created by something

: an image or a sound that is created in television, radio, or movies to imitate something real : special effect

effect

verb

English Language Learners Definition of effect (Entry 2 of 2)

: to cause (something) : to make (something) happen

: to cause (something) to produce the desired result

See the full definition for effect in the English Language Learners Dictionary

effect

noun

ef·fect | \ i-ˈfekt

Kids Definition of effect

(Entry 1 of 2)

1 : an event, condition, or state of affairs that is produced by a cause : influence Computers have had an important effect on the way people work.

2 : the act of making a certain impression The tears were only for effect.

3 : execution sense 2, operation The law goes into effect today.

4 effects plural : personal property or possessions household effects

5 : something created in film, television, or radio to imitate something real sound effects

in effect

: in actual fact The suggestion was in effect an order.

effect

verb

effected; effecting

Kids Definition of effect (Entry 2 of 2)

: to make happen : bring about effect a change

effect

noun

ef·fect | \ i-ˈfekt

Medical Definition of effect

: something that is produced by an agent or cause obtained the same effect with a smaller dose

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effect

noun

ef·fect

Legal Definition of effect

(Entry 1 of 2)

1 : something that is produced by an agent or cause

2 plural : personal property sense 1 at property : goods the right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures — U.S. Constitution amend. IV

3 : the quality or state of being operative when the new law goes into effect

effect

transitive verb

Legal Definition of effect (Entry 2 of 2)

1 : to cause to come into being

2 : to bring about often by surmounting obstacles effect a settlement of the dispute

3 : to put into operation the duty of the legislature to effect the will of the citizens