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.

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

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

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 …

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

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 …

Find 90 different ways to say INEFFECTIVE, along with antonyms, related words, and example sentences at Thesaurus.com.

Ineffective definition: Not producing an intended effect; ineffectual.

Jan 20, 2026 · Adjective ineffective (comparative more ineffective, superlative most ineffective) Not having the desired effect; ineffectual; otiose. Lacking in ability; incompetent or inadequate.