Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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rih laI bl
Word Parts
part of speech: adjective
definition: capable of being trusted or relied on; dependable.
Her boss knows that she is an honest and reliable employee.
dependable, steadfast, steady, sure
forgetful, unreliable
similar words:
authoritative, conscientious, faithful, good, loyal, responsible, scrupulous, secure, sound
derivations: reliably (adv.), reliability (n.)
Word Parts  About this feature
The word reliable contains the following part:
-able, -ible, -ble Latin adjective-forming suffix that means capable of being, doing, or undergoing
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The suffix -able , and its variants, is attached to Latin verb roots or English transitive verbs to form adjectives. (In a small set of cases, -able is attached to a noun, e.g. knowledgeable and marriageable.) For spelling purposes, it is useful to know that -able is more likely to be added to a whole English word (comparable, adorable ), while -ible is more likely to follow a bound root (visible , legible ). However,there are still many words which combine a root with -able (capable , inevitable ). The suffix -ity can be added to any adjective ending in -able , -ible , -ble to produce a corresponding noun ending in -ability, -ibility, -bility (possible + -ity > possibility; irrevocable + -ity > irrevocability.)