Meaning of “unreliable” in the English Dictionary

american-english dictionary

"unreliable" in British English

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unreliableadjective

uk /ˌʌn.rɪˈlaɪə.bəl/ us /ˌʌn.rɪˈlaɪə.bəl/

B2 not able to be trusted or believed:

The bus service is unreliable.
unreliable evidence
Opposite

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(Definition of “unreliable” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"unreliable" in American English

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unreliableadjective

us /ˌʌn·rɪˈlɑɪ·ə·bəl/

not to be trusted or depended on:

Their carpenter was totally unreliable – he never finished the job.

(Definition of “unreliable” from the Cambridge Academic Content Dictionary © Cambridge University Press)