Pronunciations (3)
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/ɪˈfɛktɪv/
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/əˈfɛktɪv/
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/əˈfektɪv/
Pronunciation notes
- Australia
Adjective
Having the power to produce a required effect or effects.
- Synonyms
- Examples
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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.
More examples (1)
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.
Producing a decided or decisive effect.
- Synonyms
- Examples
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The president delivered an effective speech!
Whosoever is an effective, real cause of doing his neighbour wrong, is criminal.
Efficient, serviceable, or operative, available for useful work.
- Antonyms
- Examples
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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.
More examples (2)
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.
Actually in effect.
- Examples
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effective immediately
The curfew is effective at midnight.
Having no negative coefficients.
Usage- of a cycle or divisor
Such that no group element acts trivially.
Usage- of a group action
approximate; Not describing the fundamental dynamic changes in some system as they happen.
Usage- for any effective theory
Noun
a soldier fit for duty
- Examples
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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.
Adjective
producing or capable of producing an intended result or having a striking effect
- Synonyms
- Antonyms
- Examples
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effective teaching methods
effective steps toward peace
More examples (3)
made an effective entrance
his complaint proved to be effectual in bringing action
an efficacious law
able to accomplish a purpose; functioning effectively
- Synonyms
- Examples
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effective personnel
an efficient secretary
More examples (1)
the efficient cause of the revolution
works well as a means or remedy
- Examples
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an effective reprimand
a lotion that is effective in cases of prickly heat
exerting force or influence
- Examples
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the law is effective immediately
a warranty good for two years
More examples (1)
the law is already in effect (or in force)
existing in fact; not theoretical; real
- Examples
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a decline in the effective demand
confused increased equipment and expenditure with the quantity of effective work done
ready for service
- Examples
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the fort was held by about 100 effective soldiers