Etymology
The word "inefficacious" comes from the Latin word "inefficax," which means "not effective" or "powerless." It is derived from the prefix "in-" (meaning "not") and the root word "efficax" (meaning "effective").
Meaning
Inefficacious means lacking in effectiveness or power. It describes something that is incapable of producing the desired effect or result.
Usage
The word "inefficacious" is often used to describe:
Examples
Synonyms
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