Antonyms of effectiveness from BoostVocab

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effectiveness

ɪ'fɛktɪvnʌs

Synonyms of effectiveness Antonyms of effectiveness Examples of effectiveness Usage of effectiveness Parts of effectiveness Definition that contains effectiveness Words sounding like effectiveness Explanation of effectiveness

noun
power to be effective; the quality of being able to bring about an effect
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Similar:

effectivity effectuality effectualness

Opposite:

ineffectiveness

type of:
power powerfulness
noun
capacity to produce strong physiological or chemical effects
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Similar:

potency strength

type of:
powerfulness power

Antonyms of effectiveness

ineffectiveness