effective
From Wiktionary
[change] Pronunciation
[change] Adjective
|
Positive |
Comparative |
Superlative |
- Something that can make or is making an effect.
- Something that is efficient.
- as an effective force, remedy, speech
- Something that is being used.
- The curfew is effective at midnight.
[change] Preposition
|
Preposition |
-
- Effective next week, all employees will wear the new uniform.