effective
Part of speech: adj
noun
Morphological type: derivation
Topics: algebra
geometry
government
mathematics
military
natural-sciences
physical-sciences
physics
politics
sciences
war
Etymology: Etymology tree
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *-s
Proto-Indo-European *h₁éǵʰs
Proto-Italic *eks
Latin ex
Latin ef-
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 effectivusbor.
French effectifder.
English effective
From French effectif, from Latin effectīvus (“productive; effective”), from efficiō (“to make; to bring about”), equivalent to effect + -ive.
Base: effect
Affixes: -ive
Inflected forms:
form: more effective
pos: adj
tags: comparative
form: most effective
pos: adj
tags: superlative
form: eff.
pos: adj
tags: alternative
form: effectives
pos: noun
tags: plural
form: eff.
pos: noun
tags: alternative
Senses:
gloss: Having the power to produce a required effect or effects.
pos: adj
examples: The pill is an effective method of birth control.
"Capital idea; we'll go together and complain: two will be more effective," suggested Mr. Belting.
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.
gloss: Producing a decided or decisive effect.
pos: adj
examples: The president delivered an effective speech!
Whosoever is an effective, real cause of doing his neighbour wrong, is criminal.
gloss: Efficient, serviceable, or operative, available for useful work.
pos: adj
examples: How long does it take to make a bunch of civilians an effective military force?
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.
gloss: Actually in effect.
pos: adj
examples: effective immediately
The curfew is effective at midnight.
gloss: Having no negative coefficients.
pos: adj
gloss: Such that no group element acts trivially.
pos: adj
gloss: approximate; Not describing the fundamental dynamic changes in some system as they happen.
pos: adj
gloss: a soldier fit for duty
pos: noun
examples: The Army of the West reached Corinth sometime after the battle of Shiloh. We were 15,000 effectives, and brought Beauregard's effective force up to 45,000 men.
Related words: effect
effectivity
effectual
efficacious
efficacity
efficacy
efficiency
efficient
pseudoeffective
Derived words: bioeffective
brake mean effective pressure
coeffective
cost-effective
effectivate
effective accelerationism
effective accelerationist
effective altruism
effective altruist
effective compression
effective dose
effective energy
effectively
effectiveness
effective nuclear charge
effective radiated power
effective stack size
effectivization
effectivize
Effie
equieffective
geoeffective
ineffective
isoeffective
median effective time
noneffective
subeffective
supereffective
undereffective
uneffective
Translations: