ineffective

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English Vietnamese dictionary

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Advanced English dictionary

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+ adjective
~ (in doing sth) not achieving what you want to achieve; not having any effect: The new drug was ineffective. + ineffective management + The law proved ineffective in dealing with the problem.
Antonym: EFFECTIVE
ineffectiveness noun [U]: the ineffectiveness of western medicine in treating this illness
ineffectively adverb

Thesaurus dictionary

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adj.

1 unproductive, unfruitful, bootless, idle, vain, useless, ineffectual, inefficacious, inoperative, non-functioning, inadequate, insufficient, worthless:

The anti-crime measures appear to have been ineffective.

2 inefficient, incompetent, incapable, unskilled, unskilful, inept, unfit, unproficient:

The new office manager is totally ineffective.

Collocation dictionary

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VERBS

be, prove, seem

These policies have proved ineffective.

| become | make sth, render sth

The contract was rendered ineffective by this careless wording.

ADV.

highly, singularly, very | completely, entirely, totally, wholly | largely | pretty, rather, relatively, somewhat | apparently | politically

PREP.

against

These weapons are totally ineffective against tanks.

| in

chemicals that are very ineffective in killing weeds