effective
/ɪˈfɛktɪv/ adjective B1- Having the power to produce a required effect or effects. · The pill is an effective method of birth control.
- Producing a decided or decisive effect. · The president delivered an effective speech!
- Efficient, serviceable, or operative, available for useful work. · 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.
- Actually in effect. · effective immediately· The curfew is effective at midnight.
- Having no negative coefficients.
- Such that no group element acts trivially.
- approximate; Not describing the fundamental dynamic changes in some system as they happen.
From the library
And this time it must be confessed that, contrary to the usual state of affairs in discussions between the young men, the effective arguments were all on Albert’s side.
The man replied that if the Horse would receive a bit in his mouth and agree to carry him, he would contrive effective weapons against the Stag.
Most of my readers are aware that the second act of Parisina opens with the celebrated and effective duet in which Parisina, while sleeping, betrays to Azzo the secret of her love for Ugo.
A Bricklayer earnestly recommended bricks as affording the best material for an effective resistance.
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