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.

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 …

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.

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 …

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.