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English definition of “reliable”

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reliable

adjective  /rɪˈlɑɪ·ə·bəl/ us  
deserving trust; dependable : My car is old but it’s reliable.
reliability
noun [U]  /rɪˌlɑɪ·əˈbɪl·ɪ·t̬i/ us  
The reliability of this smoke detector is guaranteed.
reliably
adverb  /rɪˈlɑɪ·ə·bli/ us  
His whereabouts were unknown, but he was reliably reported to be alive.
(Definition of reliable from the Cambridge Academic Content Dictionary © Cambridge University Press)
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