transcription, транскрипция: [ ʌnrɪlaɪəb(ə)l ]
If you describe a person, machine, or method as unreliable , you mean that you cannot trust them.
Diplomats can be a notoriously unreliable and misleading source of information...
He had an unreliable car.
≠ reliable
ADJ
• un‧re‧li‧abil‧ity
...his lateness and unreliability.
N-UNCOUNT