effective
78
3.0
- adjective
- /ɪˈfɛktɪv/
- Formal
- The new law will be effective from next week, ensuring stricter penalties for violations.
- effective date
- become effective
Examples
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We have not governed in the interest of effective public policy.
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This is my letter of resignation, effective as of today.
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The problems are connected and they need effective solutions.
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And it looks at whether or not it is safe and effective in people.
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Despite years of research, effective tools for early cancer detection are still lacking.
Academic text (2017) -
The region is suspicious of new ideas and lacks effective mechanisms to support innovative projects.
Academic text (2011) -
Public trust in science depends on openness, transparency and effective regulation.
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The Forever GI Act removed a 15-year limit on using the benefits, effective immediately.
Academic text (2017) -
From what we know, the camouflage isn't effective in terms of blending in with the environment.
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Wedge's range meter scrolled down below two kilometers, the maximum effective range for his targeting computer.
Fiction book (1999)
Synonyms
84
3.7
Currently valid and must be followed
15
3.9
A law or rule that is active now and must be followed
1
7.5
Having legal force so it is valid and can be used in court
Antonyms
Compounds
How Active
Surface Forms
Morphology
Etymology
Effective comes from effect ('a result') and the Latin root facere ('to make'), as in factory, so it means 'making a result'. That's why when a law or rule is 'effective' from a date, it 'starts to work' and begins to produce its result from that time.