that cannot be trusted or depended on The trains are notoriously unreliable. He's totally unreliable as a source of information. opposite reliable AWL Collocationsrelyrely verbto need something or someone and not be able to live or work well without it/him/her
- heavily
- entirely, exclusively, solely
- mainly, mostly, primarily, principally
- extensively
- tend to
- ascertain, assess, evaluate
- improve
- ensure
- maximize
- a degree of ~
- a level of ~
- scientifically, statistically
- highly
- fairly, reasonably, sufficiently
- indicator, predictor
- estimate
- source
- prove
- inherently, intrinsically
- notoriously
- demonstrably
- wholly
- potentially
- statistically
- render something
- prove
- place
- question
- decrease, lessen, reduce
- necessitate
- preclude
- entail
- excessive, heavy, inordinate, undue
- exclusive
NAmE//ˌʌnrɪˌlaɪəˈbɪlət̮i//
noun [uncountable] the unreliability of some statisticsSee unreliable in the Oxford Advanced Learner's DictionaryCheck pronunciation: unreliable