efficacy

Definitions (2)
Popular Terms
1. Effectiveness. "Before we begin making these changes, we should evaluate their efficacy in producing the desired result; if we aren't sure the changes will help, we should reevaluate our plan."
2. Medicine: The ability of a treatment or vaccine to help, cure, or prevent a disease or illness.

Use 'efficacy' in a Sentence

The process server was angry at his supervisor: the mandatory driving routes and other seemingly useless restrictions upon his job made his efficacy drop far below what he knew he was capable of.
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The manager considered both safety and efficacy when it came to meeting and over passing the quota for the month; efficacy isn't just doing things quickly, it's about doing things effectively to reach the company goals.
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To test the efficacy of a new medicine, it is usually given to a control group and a placebo given to another group of subjects.
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