Opposite of RELIABLE – 35 Antonyms With Sentence Examples

Reliable is defined as being consistently good in quality or performance. However, there are instances when a situation calls for exploring alternatives to reliability. Antonyms for reliable are words that represent the opposite qualities of consistency, trustworthiness, and dependability. These words offer a spectrum of options to describe the variability, inconsistency, or unreliability of a particular subject or situation.

When considering antonyms for reliable, it becomes apparent that the English language offers a rich array of vocabulary to describe different degrees of inconsistency or unreliability. These antonyms provide nuanced ways to convey the lack of trustworthiness or stability in various contexts, whether it be in relationships, machines, or information sources. By exploring these antonyms, one can better articulate the limitations or uncertainties associated with a particular subject.

By expanding our vocabulary to include antonyms for reliable, we can better navigate complex scenarios where the traditional notion of consistency may not fully capture the nuances at play. These antonyms lend depth and specificity to our descriptions, allowing for a more nuanced understanding of when reliability may be lacking or compromised. It is imperative to consider these antonyms to communicate effectively in situations where steadfastness and consistency are not the defining characteristics.

35 Antonyms for RELIABLE With Sentences

Here’s a complete list of opposite for reliable. Practice and let us know if you have any questions regarding RELIABLE antonyms.

Antonym Sentence with Reliable Sentence with Antonym
Unreliable You can always count on her to meet deadlines. I cannot depend on him to meet deadlines.
Inconsistent The car has a consistent track record for safety. The car’s safety record is sporadic.
Undependable John is a trustworthy employee. Sarah is unreliable at work.
Untrustworthy The source of information is reliable. The source of information is dubious.
Irresponsible She is always reliable in handling financial matters. He is irresponsible with money.
Unfaithful The watch has been consistent in keeping time. The other watch is unfaithful.
Unpredictable The weather forecast is usually accurate. The weather forecast is unpredictable.
Deceptive The product has been reliable in performance. The product is deceptive in its claims.
Unsteady The foundation of the house is reliable. The foundation of the house is unsteady.
Fickle The customer reviews are consistent in praising the service. The customer reviews are fickle.
Shifty His explanation was consistent with the evidence. His explanation was shifty and unreliable.
Tenuous The research findings are trustworthy. The research findings are tenuous.
Shaky The bridge has been reliable over the years. The bridge seems shaky.
Corrupt The investigative process was reliable and fair. The investigative process was corrupt.
False His promises have always been reliable. His promises are false.
Distrustful The doctor’s diagnosis is reliable. I am distrustful of the second opinion.
Capricious The company’s delivery schedule is reliable. The company’s delivery schedule is capricious.
Unsound The construction materials used are reliable. The construction materials are unsound.
Unproven The theories presented are reliable and well-researched. The other theories are unproven.
Unprotected The security system is reliable. The house is unprotected at night.
Flawed The data is reliable for making decisions. The data is flawed.
Deceitful Her account of the incident is reliable. His version is deceitful.
Patchy The internet connection has been reliable. The internet connection is patchy.
Erratic The clockwork of the watch is reliable. The clockwork of the other watch is erratic.
Fallible The information in the textbook is reliable. The information is fallible.
Suspicious The evidence presented is reliable. The other evidence is suspicious.
Dubious The results from the experiment were found to be reliable. The other results were dubious.
Fragile The computer system is reliable. The old computer system is fragile.
Variable The quality of the product has been reliable. The product’s quality is variable.
Unconfirmed The news from the official source is reliable. The news from other sources is unconfirmed.
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Final Thoughts about Antonyms of RELIABLE

In certain situations, information can be undependable or unsure, leading to increased risk and unpredictability. Conversely, reliable data provides a foundation for sound decision-making and trustworthy outcomes. Establishing credibility and consistency in data sources is imperative for informed choices and successful results. While uncertain details can lead to confusion and errors, dependable information fosters clarity, confidence, and reliability. Therefore, it is crucial to prioritize reliability over doubt to ensure accurate and secure outcomes.