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Meaning of word effectiveness from English dictionary with examples, synonyms and antonyms.

effectiveness   noun

Meaning : Power to be effective. The quality of being able to bring about an effect.

Synonyms : effectivity, effectuality, effectualness

Lacking the power to be effective.

ineffectiveness, ineffectuality, ineffectualness

Meaning : Capacity to produce strong physiological or chemical effects.

Example : The toxin's potency.
The strength of the drinks.

Synonyms : potency, strength