effective
//ɪˈfɛktɪv//
formalForms
- Comparative
- more effective
- Superlative
- most effective
- Plural
- effectives
Definitions
1.Having the power to produce a required effect or effects.
- 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.
2.Producing a decided or decisive effect.
- The president delivered an effective speech!
- Whosoever is an effective, real cause of doing his neighbour wrong, is criminal.
3.Efficient, serviceable, or operative, available for useful work.
- My effective income after taxes and child support is $500 a month.
- 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?
4.Actually in effect.
- The curfew is effective at midnight.
1.a soldier fit for duty
- 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.
Frequency
Overall
Common· #1213
By learning goal
- Everyday conversation
- Rare
- General reading & writing
- Common
- Academic
- Common
- Literature
- Rare
Related words
Word family
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 *dʰeh₁-
Proto-Indo-European *dʰeh₁k-
Proto-Indo-European *-yéti
Proto-Indo-European *dʰh₁kyéti
Proto-Italic *θakjō
Proto-Italic *fakjō