The meaning of INEFFECTIVE is not producing an intended effect : ineffectual. How to use ineffective in a sentence.

INEFFECTIVE definition: 1. not producing the effects or results that are wanted: 2. not producing the effects or results…. Learn more.

Definition of ineffective adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. not effective; not producing results; ineffectual. 2. inefficient or incompetent: an ineffective manager.

If you say that something is ineffective, you mean that it has no effect on a process or situation. Economic reform will continue to be painful and ineffective. This is an ineffective method of …

in•ef•fec•tive (in′i fek′ tiv), adj. not effective; not producing results; ineffectual: ineffective efforts; ineffective remedies. inefficient or incompetent; incapable: an ineffective manager. lacking in artistic …

INEFFECTIVE definition: not effective; not producing results; ineffectual. See examples of ineffective used in a sentence.

Ineffective refers to something or someone that is unable or fails to produce the desired outcome, result or effect. It denotes a lack of success, competence, or efficiency in performing a specific task or role.

Jan 14, 2026 · Adjective ineffective (comparative more ineffective, superlative most ineffective) Not having the desired effect; ineffectual; otiose. Lacking in ability; incompetent or inadequate.

The treatment was ineffective against the disease. She argued her point ineffectively. He has been criticized for his ineffectiveness as a leader.