effective en · ADJ
Pronunciation
- (US) audio
- /ɪˈfɛktɪv/ weak vowel distinction
- /əˈfektɪv/ (Australia)
- /əˈfɛktɪv/ weak vowel merger
Etymology
Etymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Italic *eks Latin ex Latin ex- Proto-Indo-European *dʰeh₁- Proto-Indo-European *dʰeh₁k- Proto-Indo-European *-yéti Proto-Indo-European *dʰh₁kyéti Proto-Italic *θakjō Proto-Italic *fakjō Latin faciō Latin efficiō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus Latin effectīvusbor. French effectifder. English effective From French effectif, from Latin effectīvus (“productive; effective”), from efficiō (“to make; to bring about”), equivalent to effect + -ive.
Meanings
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Having the power to produce a required effect or effects.
"Capital idea; we'll go together and complain: two will be more effective," suggested Mr. Belting.
1923, Ernest Bramah [pseudonym; Ernest Brammah Smith], “(please specify the page)”, in The Eyes of Max Carrados, London: Grant Richards, →OCLC:Fire ants circumvented the problem of an ineffective sting by having an unusual and highly effective venom that when daubed or sprayed on other ants penetrates their waxy protective integumental barrier and kills or disables them.
2016, Justin O. Schmidt, The Sting of the Wild, Johns Hopkins University Press, →ISBN, page 102:The pill is an effective method of birth control.
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Producing a decided or decisive effect.
Whosoever is an effective, real cause of doing his neighbour wrong, is criminal.
1651, Jer[emy] Taylor, The Rule and Exercises of Holy Living. […], 2nd edition, London: […] Francis Ashe […], →OCLC:The president delivered an effective speech!
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Efficient, serviceable, or operative, available for useful work.
My effective income after taxes and child support is $500 a month.
The effective radiated power is determined by multiplying the transmitter power output with the antenna gain.
The effective voltage of an alternating current is 0.7 times its peak voltage.
How long does it take to make a bunch of civilians an effective military force?
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Actually in effect.
The curfew is effective at midnight.
effective immediately
- (of a cycle or divisor) Having no negative coefficients.
- (of a group action) Such that no group element acts trivially.
- (for any effective theory) approximate; Not describing the fundamental dynamic changes in some system as they happen.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| eff. | alternative | lexicographic | |
| more effective | Degree=Cmp | lexicographic | |
| most effective | Degree=Sup | lexicographic |
Antonyms
Deriveds
effective altruist · supereffective · effective radiated power · effectivization · equieffective · isoeffective · effectivize · noneffective · effectivate · effective dose · subeffective · undereffective · ineffective · Effie · effective nuclear charge · geoeffective · coeffective · effective stack size · effective accelerationist · effective compression · effective energy · cost-effective · effectively · median effective time · effective altruism · uneffective · effectiveness · bioeffective · brake mean effective pressure · effective accelerationism
Relateds
efficacy · efficacious · pseudoeffective · effectual · effect · effectivity · efficient · efficacity · efficiency
Synonyms
Translations (149)
da virksom (producing a decided or decisive effect) · tl epektibo (having the power to produce a required effect or effects) · got 𐍅𐌰𐌿𐍂𐍃𐍄𐍅𐌴𐌹𐌲𐍃 (having the power to produce a required effect or effects) · ro de efect (producing a decided or decisive effect) · sv effektiv (producing a decided or decisive effect) · de wirksam (actually in effect) · ca eficaç (efficient, serviceable, or operative) · grc ἀνύσιμος (producing a decided or decisive effect) · ru де́йственный (efficient, serviceable, or operative) · de wirksam (producing a decided or decisive effect) · mi pekepakihiwi (producing a decided or decisive effect) · bg ефекти́вен (having the power to produce a required effect or effects) · sh ȅfektīvan (having the power to produce a required effect or effects) · it efficiente (efficient, serviceable, or operative) · fi voimassa oleva (actually in effect) · hu használható (efficient, serviceable, or operative) · fi vaikuttava (having the power to produce a required effect or effects) · nl effectief (having the power to produce a required effect or effects) · fi toimiva (having the power to produce a required effect or effects) · de in Kraft (actually in effect) · hu hathatós (having the power to produce a required effect or effects) · no virkningsfull (producing a decided or decisive effect) · th มีประสิทธิผล (having the power to produce a required effect or effects) · it efficace (having the power to produce a required effect or effects) · fi voimassa (actually in effect) · gd èifeachdach (having the power to produce a required effect or effects) · hu érvényben lévő (actually in effect) · hu célravezető (having the power to produce a required effect or effects) · yi עפֿעקטיוו (having the power to produce a required effect or effects) · bg действи́телен (actually in effect) · nl werkzaam (having the power to produce a required effect or effects) · uk результати́вний (producing a decided or decisive effect) · id efektif (producing a decided or decisive effect) · pt eficaz (efficient, serviceable, or operative) · pl skuteczny (having the power to produce a required effect or effects) · ro net (efficient, serviceable, or operative) · hu hatályos (actually in effect) · la efficax (having the power to produce a required effect or effects) · bg резултатен (producing a decided or decisive effect) · de wirksam (having the power to produce a required effect or effects) · tl mabisa (having the power to produce a required effect or effects) · ru результати́вный (producing a decided or decisive effect) · fi tehoava (having the power to produce a required effect or effects) · pt efetivo (actually in effect) · th มีประสิทธิภาพ (having the power to produce a required effect or effects) · ru действи́тельный (actually in effect) · cy effeithiol (having the power to produce a required effect or effects) · hu hatékony (having the power to produce a required effect or effects) · egy mn:n-x*U22:Y1 (having the power to produce a required effect or effects) · sv funktionell (efficient, serviceable, or operative) · sv fungerande (efficient, serviceable, or operative) · he אפקטיבי (having the power to produce a required effect or effects) · grc δραστήριος (having the power to produce a required effect or effects) · ro eficace (having the power to produce a required effect or effects) · ga éifeachtach (having the power to produce a required effect or effects) · no virksom (actually in effect) · sv verksam (having the power to produce a required effect or effects) · id efektif (actually in effect) · pt efetivo (having the power to produce a required effect or effects) · sa साधन (having the power to produce a required effect or effects) · de wirkungsvoll (efficient, serviceable, or operative) · ota دركار (efficient, serviceable, or operative) · no virkningsfull (having the power to produce a required effect or effects) · de wirkungsvoll (having the power to produce a required effect or effects) · lv iedarbīgs (having the power to produce a required effect or effects) · sv träder i kraft (actually in effect) · nl effectief (producing a decided or decisive effect) · de effektiv (efficient, serviceable, or operative) · tr efektif (having the power to produce a required effect or effects) · hu működő (efficient, serviceable, or operative) · sh учинко̀вит (having the power to produce a required effect or effects) · pl efektywny (having the power to produce a required effect or effects) · sv verksam (efficient, serviceable, or operative) · gd èifeachdach (efficient, serviceable, or operative) · es efectivo (having the power to produce a required effect or effects) · dsb efektiwny (having the power to produce a required effect or effects) · tl epektib (having the power to produce a required effect or effects) · fr efficace (efficient, serviceable, or operative) · mi pekepakihiwi (having the power to produce a required effect or effects) · hu hatályban lévő (actually in effect) · ru эффекти́вный (efficient, serviceable, or operative) · no effektiv (efficient, serviceable, or operative) · fi vaikuttava (efficient, serviceable, or operative) · ru эффекти́вный (having the power to produce a required effect or effects) · fi tosiasiallinen (efficient, serviceable, or operative) · hu hatásos (having the power to produce a required effect or effects) · sk účinný (having the power to produce a required effect or effects) · grc ἀνυστικός (producing a decided or decisive effect) · ca eficaç (producing a decided or decisive effect) · pl efektywny (actually in effect) · yi עפֿעקטיוו (efficient, serviceable, or operative) · nl effectief (actually in effect) · grc ἐνεργής (having the power to produce a required effect or effects) · hu találó (producing a decided or decisive effect) · bg ефикасен (efficient, serviceable, or operative) · fi tehokas (having the power to produce a required effect or effects) · sk skutočný (efficient, serviceable, or operative) · ms berkesan (having the power to produce a required effect or effects) · he יָעִיל (having the power to produce a required effect or effects) · pt eficaz (having the power to produce a required effect or effects) · fi käytettävissä oleva (efficient, serviceable, or operative) · da virksom (having the power to produce a required effect or effects) · dsb statkowny (having the power to produce a required effect or effects) · lv iedarbīgs (producing a decided or decisive effect) · hu effektív (efficient, serviceable, or operative) · sv verkningsfull (having the power to produce a required effect or effects) · uk ефекти́вний (having the power to produce a required effect or effects) · ar فَعَّال (having the power to produce a required effect or effects) · la efficax (producing a decided or decisive effect) · hu tényleges (efficient, serviceable, or operative) · ca eficaç (having the power to produce a required effect or effects) · el αποτελεσματικός (producing a decided or decisive effect) · hu érvényes (actually in effect) · hu valóságos (efficient, serviceable, or operative) · fr en vigueur (actually in effect) · hu eredményes (having the power to produce a required effect or effects) · da effektiv (producing a decided or decisive effect) · es presentáneo (having the power to produce a required effect or effects) · ca efectiu (actually in effect) · hu hasznos (efficient, serviceable, or operative) · sv effektiv (having the power to produce a required effect or effects) · eo efika (having the power to produce a required effect or effects) · de effektiv (having the power to produce a required effect or effects) · fr efficace (having the power to produce a required effect or effects) · kk тиімді (having the power to produce a required effect or effects) · hu megfelelő (producing a decided or decisive effect) · da effektiv (having the power to produce a required effect or effects) · ru де́йствующий (actually in effect) · es eficaz (having the power to produce a required effect or effects) · sk účinný (efficient, serviceable, or operative) · pt eficaz (producing a decided or decisive effect) · be эфекты́ўны (having the power to produce a required effect or effects) · nl efficiënt (having the power to produce a required effect or effects) · hu hatásos (producing a decided or decisive effect) · fi vaikuttava (producing a decided or decisive effect) · sh učinkòvit (having the power to produce a required effect or effects) · sh е̏фектӣван (having the power to produce a required effect or effects) · tl mapakipakinabang (efficient, serviceable, or operative) · grc ἐνεργητικός (having the power to produce a required effect or effects) · kk нәтижелі (having the power to produce a required effect or effects) · gd èifeachdach (producing a decided or decisive effect) · yi עפֿעקטיוו (producing a decided or decisive effect) · fi tuloksia tuottava (having the power to produce a required effect or effects) · fi tehollinen (efficient, serviceable, or operative) · fr efficace (producing a decided or decisive effect) · grc πρακτικός (having the power to produce a required effect or effects) · fr décisif (producing a decided or decisive effect) · id efektif (having the power to produce a required effect or effects) · hu hasznavehető (efficient, serviceable, or operative)