noun
lack of ability to produce the desired or intended result
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The ineffectiveness of the new policy was evident in the lack of improvement in the company's productivity.
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The team's ineffectiveness in completing the project on time led to delays and frustration.
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His constant procrastination is the reason for his ineffectiveness in getting anything done.
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The artist's use of black and white in the painting symbolizes the ineffectiveness of communication in the relationship.