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/herheavily entirely, exclusively, solely mainly, mostly, primarily, principally extensivelyThe author relies heavily on the primary sources of the literature.tend toLarger volume commercial fruit and vegetable growers tend to rely on migrant labor to harvest crops.reliability nounascertain, assess, evaluate improve ensure maximizeTo ensure the reliability of the experiments, all experiments were repeated two to three times.a degree of ~ a level of ~Higher-accuracy instruments provide increased levels of reliability and confidence.reliable adjectivescientifically, statistically highly fairly, reasonably, sufficientlyThe data set used is too small to yield statistically reliable conclusions.indicator, predictor estimate sourceThe authors conclude that consumer credit is one of the most reliable indicators of an advanced civilization.proveTall buildings soak up radio waves, so landline communications might prove more reliable.unreliable adjectiveinherently, intrinsically notoriously demonstrably wholly potentially statisticallyForecasters are notoriously unreliable at predicting things like the next wave of technological change. These models were statistically unreliable because of the very small sample sizes.render somethingTechnical difficulties in the design of experiments render data unreliable.provePrior efforts to identify this disorder proved unreliable and expensive.reliance nounplace question decrease, lessen, reduce necessitate preclude entailThese findings suggest that new industries lessen reliance on agriculture.excessive, heavy, inordinate, undue exclusiveThe almost exclusive reliance on memoirs and letters tells us how strongly the biographical element dominates Frank's work.
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NAmE//ˌʌnrɪˌlaɪəˈbɪlət̮i//noun [uncountable] the unreliability of some statistics