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reliable
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As an adjective, reliable means suitable or fit to be relied on. As a noun, it means something or someone reliable or dependable.
Meanings of reliable
5 meaningsadjective
Suitable or fit to be relied on; worthy of dependence, reliance or trust; dependable, trustworthy
signal processingof a communication protocolSuch that either a sent packet will reach its destination, even if it requires retransmission, or the sender will be told that it didn't
Worthy of being depended on
“a dependable worker”
“an honest working stiff”
“a reliable source of information”
Similar: dependable, honest, trueConforming to fact and therefore worthy of belief
“an authentic account by an eyewitness”
“reliable information”
Similar: authentic
noun
Something or someone reliable or dependable
“the old reliables”
Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).