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Meaning of “reliable” in the English Dictionary

"reliable" in British English

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reliableadjective

uk   /rɪˈlaɪ.ə.bəl/ us   /rɪˈlaɪ.ə.bəl/
B1 Someone or something that is reliable can be trusted or believed because he, she, or it works or behaves well in the way you expect: Is your watch reliable? reliable information Gideon is very reliable - if he says he'll do something, he'll do it.
Opposite

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reliability
noun [U] uk   /rɪˌlaɪ.əˈbɪl.ə.ti/ us   /rɪˌlaɪ.əˈbɪl.ə.t̬i/
C1 Rolls-Royce cars are famous for their quality and reliability.
reliably
adverb uk   /rɪˈlaɪ.ə.bli/ us   /rɪˈlaɪ.ə.bli/
I am reliably informed that you have been talking about resigning from the company.
(Definition of reliable from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"reliable" in American English

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reliableadjective

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

"reliable" in Business English

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reliableadjective

uk   /rɪˈlaɪəbl/ us  
reliable information or data is accurate or able to be trusted: Broker-dealers must use their judgment in assessing whether the issuer information is from a reliable source.reliable information/data/evidence Currently, investors do not always have access to reliable information when they need it.reliable figures/estimates/indicators The Consumer Price Index is a reasonably reliable indicator of inflation.more/less reliable Research results are more reliable when they are independent of the person who has conducted the study.
a machine, piece of equipment, or system that is reliable always works well without breaking down: Consumer demand for fuel-efficient, reliable vehicles is on the increase. People are often willing to pay a premium for a familiar, reliable service. While these disks function well as backup storage, they aren't reliable enough for long-term archiving.more/less/the least, etc. reliable The hard disk on which data is stored is probably the least reliable component in a PC.
a reliable person is someone that you can trust to work hard and do what they say they will do: Employers want reliable workers. She's usually very reliable.
reliably
adverb /rɪˈlaɪəbli/
At this stage, long-term costs cannot be reliably estimated.
(Definition of reliable from the Cambridge Business English Dictionary © Cambridge University Press)
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“reliable” in British English

“reliable” in American English

“reliable” in Business English

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