1. Capable of being relied on; dependable: a reliable assistant; a reliable car.
2. Yielding the same or compatible results in different clinical experiments or statistical trials.
re·li′a·bili·ty, re·lia·ble·ness n.
Synonyms: reliable, dependable, responsible, trustworthy, trusty
These adjectives mean worthy of reliance or trust: a reliable source of information; a dependable worker; a responsible babysitter; a trustworthy report; a trusty assistant.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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