inefficacies

Instances of futility

Inefficacies is the plural of inefficacy—instances where something fails to produce its intended effect.

The word appears in formal or technical contexts discussing multiple failures of effectiveness: The report documented the inefficacies of current treatment protocols.

More common alternatives include failures, shortcomings, or simply saying things don't work.

futility

pointlessness

State of lacking meaning

purposelessness · ineffectuality · unproductiveness · barrenness · sterility · emptiness · hollowness · vanity · bootlessness · idleness

deficiency

shortcomings

Inadequacies or weak points

imperfections · inadequacies · insufficiencies · drawbacks · gaps · defects · weaknesses · shortfalls · lacunae · deficits

powerlessness

impotence

Lack of strength or power

incompetence · feebleness · weakness · enfeeblement · debility · infirmity · frailty · paralysis · toothlessness · ineptitude

failure

malfunction

Failure to operate properly

defeat · setback · debacle · botch · disaster · blunder · fiasco · flop · dysfunction · inoperability

Opposites
effectiveness

inefficaciesefficacies

Powers to achieve results

effectiveness · efficacy · potencies · efficaciousness · potency

functional competence

inefficaciessuccesses

Favorable outcomes achieved

achievements · accomplishments · triumphs · victories · competences

effectiveness/capability

inefficaciesefficacies

Powers to achieve results

effectiveness · efficacy · potency · efficaciousness · power

Family

inefficacious

Familiarity
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Profile
Used worldwide · Timeless · Abstract · Negative · Everyday, not technical · Rated G