unreliable
- adjective
- /ˌʌn.rɪˈlaɪ.ə.bəl/
- As a result, the power supply is unreliable, making blackouts and brownouts common.
- unreliable system
- unreliable power
- unreliable power supplies
And so that early in McLaren's current existence, they were miserably unreliable cars.
- And so that early in McLaren's current existence, they were miserably unreliable cars.
- I would say that like our ferry route is like relatively unreliable because it's not a major route.
- But you know, like, like for example, synapses are very unreliable and you cannot assign any precision to them.
- And that when these grids, when this energy is unreliable, it it's just a detriment of, of economic growth.
- So why do companies sell products that they know are unreliable at all?
Examples
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At the moment, our satellites are somewhat unreliable.
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I would say that like our ferry route is like relatively unreliable because it's not a major route.
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In the examples we looked at, there were several aspects making those systems unreliable.
Academic text (2000) -
It's slow, the interior is awful, it's unreliable and badly built.
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Which they rarely did because the weather was so unreliable and Oliver was away so often.
Fiction book (1995) -
Online programs are not recommended for schools with unreliable or intermittent Internet access.
Academic text (2007) -
Unsustainable costs and unreliable quality are stimulating changes in healthcare policy and practice.
Academic text (2013) -
The engine was so unreliable the plane flew with its ram air turbine constantly deployed just as a precaution.
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Historical sources, both oral and written, are considered unreliable and therefore ignored (Fortes 1949:1-2).
Academic text (1998) -
Many people avoid using that app because it is often unreliable when it comes to tracking fitness goals.
Synonyms
Likely to change suddenly and hard to know in advance
Not steady and likely to change, fail, or fall
Not firm or safe and likely to fail
Unstable ground, water, or weather that can suddenly become dangerous
Not correct because it has mistakes, for example in an argument or plan
Not safe and likely to be damaged, like a building or job
Not honest or reliable with promises
Likely to be unsafe or untrustworthy
Tending to fail or change without warning
Likely to fail or disappoint people
Not reliable and likely to disappear quickly, often for dishonest reasons
Tends to make many mistakes
Having many small errors or problems in a program
Able to change or break down easily
People do not see it as safe or reliable
Likely to wobble or break, like a weak chair
Antonyms
How Reliable
Surface Forms
Morphology
Etymology
Unreliable is made of the parts un- meaning 'not', rely meaning 'depend on', and -able meaning 'can be'. When we call a machine, road, or bridge unreliable, we mean it 'cannot be depended on' and so it may fail or be unsafe to use.