Related forms re·li·a·bil·i·ty, re·li·a·ble·ness, noun
re·li·a·bly, adverb
non·re·li·a·ble, adjective
non·re·li·a·ble·ness, noun
non·re·li·a·bly, adverb
qua·si-re·li·a·ble, adjective
qua·si-re·li·a·bly, adverb
ul·tra·re·li·a·ble, adjective
ul·tra·re·li·a·ble·ly, adverb
Synonyms
trusty, authentic, consistent. Reliable, infallible, trustworthy apply to persons, objects, ideas, or information that can be depended upon with confident certainty. Reliable suggests consistent dependability of judgment, character, performance, or result: a reliable formula, judge, car, meteorologist. Infallible suggests the complete absence of error, breakdown, or poor performance: an infallible test, system, marksman. Trustworthy emphasizes the steady and honest dependability which encourages one's confidence, belief, or trust: trustworthy and accurate reports.
Antonyms
undependable, questionable, deceitful.