What are the opposite words for effectiveness?

The word effectiveness refers to the ability of something to produce the desired result or impact. Some antonyms for effectiveness are inefficiency, ineffectiveness, and ineptness. Inefficiency refers to the inability to perform a task in a timely manner, while ineffectiveness denotes the lack of ability to produce the desired result or impact. Ineptness refers to the lack of skill or ability to perform a task adequately. Other antonyms for effectiveness include incompetence, incapability, and incapacity. These words refer to the inability to achieve the intended goals or to perform tasks successfully. Overall, antonyms for effectiveness highlight the opposite of the quality that allows something to produce the desired results.

Antonym of the day

most elbow-to-elbow
deserted, empty, imprecise.