Как по Английски будет inefficace

adjective

Lacking the power to perform physically demanding tasks; having little physical strength or energy.

Примеры использования:

She was recovering from flu, and was very weak

adjective

Not fulfilling or not expected to achieve the intended purpose or desired outcome.

Примеры использования:

A piece of useless knowledge

adjective

Unable to take effective action; helpless or powerless.

Примеры использования:

He was seized with an impotent anger

adjective

Achieving little or nothing; ineffective.

Примеры использования:

Their efforts were unavailing

adjective

Having no teeth, typically through old age.

Примеры использования:

A toothless old man

adjective

Lacking initiative or strength of character; irresponsible.

Примеры использования:

Her feckless younger brother

adjective

Not producing any significant or desired effect.

Примеры использования:

The legal sanctions against oil spills are virtually ineffective

adverb

In a way that does not produce the effects or results that are wanted

Примеры использования:

The government is dealing ineffectively with these economic problems., a crack in the plane's wing …

adjective

Not producing any significant or desired effect.

Примеры использования:

An ineffectual campaign

adverb

In a way that does not produce good results

Примеры использования:

She tried ineffectually to encourage him to eat., at one camp there are hundreds of huts, ineffectu…

adjective

Not producing the desired effect.

Примеры использования:

Social conventions honed over thousands of years were suddenly inefficacious

adjective

Not achieving maximum productivity; wasting or failing to make the best use of time or resources.

Примеры использования:

Inefficient transport systems

Not producing desired results; wasteful