CEFR B2

ineffective

adjective

Meaning

Not producing the intended or desired result; failing to achieve success.

Examples

The team's strategy proved ineffective against the opponent's strong defense.
His attempts to persuade the committee were entirely ineffective.

Synonyms: useless, futile, impotent, fruitless

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ineffective (B2)

adjective

Pronunciation: /ˌɪn.ɪˈfek.tɪv/

Definition

Not producing the intended or desired result; failing to achieve success.

Examples

The team's strategy proved ineffective against the opponent's strong defense.
His attempts to persuade the committee were entirely ineffective.
The old alarm system was ineffective at deterring burglars.

How to Use ineffective

ineffective against (prepositional phrase): Failing to produce the desired result when confronting or dealing with something. — "The antibiotic proved ineffective against the resistant strain of bacteria."
ineffective for (prepositional phrase): Failing to produce the desired result in a particular situation or for a specific purpose. — "This particular treatment is ineffective for patients with severe allergies."

Synonyms of ineffective

Words with a similar meaning to ineffective:

Antonyms of ineffective

Words with the opposite meaning to ineffective:

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