Quick-acting
What it means
Beginning to produce its intended effect after little delay.
Reach for it when describing onset speed, especially for a remedy or response
A quick-acting valve stopped the water before it reached the archive.
Words to choose between 6
| everyday | |
|---|---|
| professional |
|
| formal | |
| literary |
-
everyday
fast-acting
Fits when rapid onset is the simple claim
Careful Fast-acting can sound promotional without evidence.
-
everyday
immediate
Fits when there is effectively no perceptible delay
Careful Immediate is a stronger timing promise.
-
professional
Fits when the system reacts quickly to input
Careful Responsive may not complete the intended action.
-
formal
Fits when timely response matters more than mechanism
Careful Prompt describes readiness as well as speed.
-
formal
rapid
Fits when measured speed is already clear from context
Careful Rapid may describe the whole process, not onset.
-
literary
Fits when lively praise suits a narrative
Careful Swift is less precise for medical claims.
Opposites 3
- slow-acting
- delayed
- inert
Common phrases 3
-
quick-acting remedy
The pharmacist recommended a quick-acting remedy for temporary relief.
-
quick-acting response
A quick-acting response team contained the spill.
-
quick-acting mechanism
The quick-acting mechanism released the safety brake.
Definitions and examples are written for this site. How words are chosen Updated