CEFR B2

unreliable

adjective

Meaning

Not able to be trusted or depended on; likely to fail or be faulty.

Examples

He's an unreliable witness, so the jury didn't believe his testimony.
The public transport in this city is notoriously unreliable, especially on weekends.

Synonyms: doubtful, questionable, undependable, fallible

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unreliable (B2)

adjective

Pronunciation: /ˌʌnrɪˈlaɪəbl/

Definition

Not able to be trusted or depended on; likely to fail or be faulty.

Examples

He's an unreliable witness, so the jury didn't believe his testimony.
The public transport in this city is notoriously unreliable, especially on weekends.
I can't rely on my old laptop anymore; it's become very unreliable.

How to Use unreliable

unreliable as (prepositional phrase): To be untrustworthy in a specific role or capacity. — "He proved unreliable as a team leader."
unreliable for (prepositional phrase): Not suitable or dependable for a particular purpose. — "This old car is unreliable for long journeys."

Synonyms of unreliable

Words with a similar meaning to unreliable:

Antonyms of unreliable

Words with the opposite meaning to unreliable:

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