reliability

[ri-lahy-uh-bil-i-tee]

noun

the ability to be relied on or depended on, as for accuracy, honesty, or achievement.

Sometimes re·li·a·ble·ness.

Origin of reliability

Related formsnon·re·li·a·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Word Origin and History for reliability
n.

1816, from reliable + -ity.

Online Etymology Dictionary, © 2010 Douglas Harper