reliability What is the Definition of reliability?Noun:the quality of being dependable or reliable Other meanings of reliability (synonyms, cognates). ENRU reliability надежность Frequently viewed: array meaningsilence meaningunusual meaningdefinition of businesssubsequent meaningstand meaningdog meaningaccept definitionoffer meaningdefinition of writestaleness definitionlist definition A B C D E F G H I J K L M N O P Q R S T U V W X Y Z