Как по Английски будет wirkungslos

adjective

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

Примеры использования:

A piece of useless knowledge

adjective

Not producing any significant or desired effect.

Примеры использования:

The legal sanctions against oil spills are virtually ineffective

adjective

Without effect, fruitless.

adverb

In a way that is weak and lacks power or effectiveness

Примеры использования:

We continued, somewhat effetely, to express our opinions., the satire of the original film is effet…

adjective

Becoming zero when raised to some positive integral power.

Примеры использования:

He used the, now familiar, tools of idempotent and nilpotent elements.

adjective

Lacking energy, vigour, or spirit.