Effective
/əˈfɛktɪv/
Last Updated: January 2, 2026 at 12:30 PM
Scrabble:20 ptsWWF:22 pts9 letters
Definition of Effective
adjective
- 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?"
- Actually in effect.
"The curfew is effective at midnight."
- (of a cycle or divisor) Having no negative coefficients.
Anagrams of Effective
Words You Can Make
34 words can be made from the letters in "effective":
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Synonyms & Antonyms
SYNONYMS
efficacious