| English Dictionary |
INEFFICACIOUS
| Pronunciation (US): |  | (GB): | |
Dictionary entry overview: What does inefficacious mean?
• INEFFICACIOUS (adjective)
The adjective INEFFICACIOUS has 1 sense:
1. lacking the power to produce a desired effect
Familiarity information: INEFFICACIOUS used as an adjective is very rare.
Dictionary entry details
Sense 1
Meaning:
Lacking the power to produce a desired effect
Context example:
laws that are inefficacious in stopping crime
Also:
ineffective; ineffectual; uneffective (not producing an intended effect)
Attribute:
efficaciousness; efficacy (capacity or power to produce a desired effect)
Antonym:
efficacious (marked by qualities giving the power to produce an intended effect)
Derivation:
inefficaciousness (a lack of efficacy)
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