Ineffective synonyms and antonyms

ĭn'ĭ-fĕk'tĭv

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Part of speech:

inefficient
Lacking the necessary ability; unskilled; incompetent
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inefficacious
Not capable of producing a desired effect or result; ineffective.
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ineffectual
The definition of ineffectual is not productive or not working correctly.
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feeble
The definition of feeble is someone who is weak or a half-hearted attempt or something that is faint or unconvincing.
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futile
Having no useful result; ineffectual:
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faineant
Given to doing nothing; lazy.
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powerless
Lacking sufficient power or strength.
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unavailing
Not availing; futile; ineffectual
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effective (antonym)
Producing a strong impression or response; striking:
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incapable
Not capable (of doing something); unable.
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weak
Lacking in vigour or expression.
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unfruitful
Yielding no worthwhile result; fruitless; unprofitable
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vain
(Archaic) Lacking in sense; foolish
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worthless
Without worth or merit; useless, valueless, etc.
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incompetent (related)
Of evidence, that it is not admissible.
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abortive
Failing to accomplish an intended objective; fruitless:
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fruitless
(Rare) Without fruit.
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idle
Not engaged in any occupation or employment; unemployed; inactive; doing nothing.
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impotent
The definition of impotent is someone or something weak, ineffective or lacking power.
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inadequate
The definition of inadequate is someone or something that is lacking in something desired or required.
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inept
Showing a lack of judgment, sense, or reason; inappropriate or foolish:
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otiose
(Rare) Idle; indolent
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pathetic
Arousing scornful pity or contempt, often due to miserable inadequacy.
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useless
Unhelpful, not useful; pointless (of an action).
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void
Void means empty or useless or having no legal force.
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flaccidity
The condition of being flaccid.
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impotency
Dated form of impotence.
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ineffectiveness
The condition of being ineffective
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ineffectuality
The state or condition of being ineffectual.
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invalidate
To make invalid; deprive of legal force
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nullify
To cancel out
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vitiate
To vitiate is to corrupt, invalidate or weaken morally.
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affect (related)
Not having the desired effect
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uneffective
not producing an intended effect
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unable
The definition of unable is a person or thing that doesn't have the ability, power or authority to do something.
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counterproductive (related)
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counter-productive (related)
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inappropriate (related)
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unhelpful (related)
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unreliable (related)
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unworkable (related)
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impractical (related)
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not effective
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unproductive
(Economics) Adding nothing to exchangeable value.
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unacceptable (related)
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Find another word for ineffective. In this page you can discover 49 synonyms, antonyms, idiomatic expressions, and related words for ineffective, like: inefficient, flaccid, inefficacious, ineffectual, bungling, feeble, futile, faineant, powerless, unavailing and effective.
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Ineffective Sentence Examples

  • This half measure was as ineffective as was to have been expected.

  • Ismail's efforts to put an end to the slave trade, if sincere, were ineffective, and, moreover, south of Kordofan the authority of the government did not extend beyond the posts occupied by their troops.

  • The syllogism is ineffective, belonging to argumentation, and constraining assent where what we want is control of things.

  • Her mind control magic slid around him, ineffective this night.

  • The plan of an international fleet to coerce the Mahommedan is even to this day ineffective; but the Hospitallers, who acquired a new basis by the conquest of Rhodes in 1310, used their fleet to enforce a partial and, on the whole, ineffective blockade of the coast of the Levant.

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Words near ineffective in the Thesaurus