certain 7 Associations

sure reliable (similar term) dependable (similar term)

erratic 7 Associations

temperamental unreliable (similar term) undependable (similar term)

fallible 8 Associations

errant (similar term) erring (similar term) error-prone (similar term) undependable (similar term) unreliable (similar term) weak (similar term) infallible (antonym)

sure 4 Associations

certain reliable (similar term) dependable (similar term)

temperamental 13 Associations

erratic unreliable (similar term) undependable (similar term)

tested 6 Associations

time-tested tried tried and true reliable (similar term) dependable (similar term)

time-tested 11 Associations

tested tried tried and true reliable (similar term) dependable (similar term)

tried 5 Associations

tested time-tested tried and true reliable (similar term) dependable (similar term)

tried and true 14 Associations

tested time-tested tried reliable (similar term) dependable (similar term)

trustworthy 11 Associations

trusty authentic (similar term) reliable (similar term) creditworthy (similar term) responsible (similar term) dependable (similar term) honest (similar term)

trusty 6 Associations

trustworthy authentic (similar term) reliable (similar term) creditworthy (similar term) responsible (similar term) dependable (similar term) honest (similar term)

uncertain 9 Associations

unreliable (similar term) undependable (similar term)

undeviating 11 Associations

reliable (similar term) dependable (similar term)

unsound 7 Associations

unreliable (similar term) undependable (similar term)