What is another word for unreliable?

Synonyms for unreliable

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term unreliable.

Princeton's WordNet

  1. undependable, unreliableadjective

    liable to be erroneous or misleading

    "an undependable generalization"

    treacherous, undependable

    responsible, tried, dependable, reliable, sure, certain, tested, tried and true, safe, undeviating, infallible, time-tested

  2. unreliable, undependableadjective

    not worthy of reliance or trust

    "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"

    treacherous, undependable

    tried, responsible, tried and true, safe, time-tested, sure, certain, undeviating, reliable, dependable, infallible, tested

  3. treacherous, unreliableadjective

    dangerously unstable and unpredictable

    "treacherous winding roads"; "an unreliable trestle"

    perfidious, punic, treacherous, undependable

    time-tested, tried and true, certain, safe, infallible, reliable, undeviating, sure, tested, responsible, dependable, tried

  4. unreliableadjective

    lacking a sense of responsibility

    treacherous, undependable

    infallible, time-tested, certain, dependable, sure, safe, tried and true, tested, reliable, responsible, tried, undeviating

Dictionary of English Synonymes

  1. unreliableadjective

    [Modern.] untrustworthy, not to be depended upon

Synonyms, Antonyms & Associated Words

  1. unreliableadjective

    untrustworthy, undependable, uncertain

PPDB, the paraphrase database

  1. List of paraphrases for "unreliable":

    untrusted, untrustworthy, dodgy, reliable, unsafe, reliability

How to pronounce unreliable?

How to say unreliable in sign language?

Words popularity by usage frequency


How to use unreliable in a sentence?

  1. Chris Fabricant:

    Defense lawyers had sought to have the bite-mark evidence barred from the trial on the grounds that it is scientifically unreliable. The judge’s ruling was “contrary to the overwhelming consensus of the scientific community,” said Chris Fabricant, director of strategic litigation for the Innocence Project. “It’s a victory for the Flat Earth Society.”

  2. Rex Tillerson:

    I hope that what the Russian Government concludes is that they have aligned themselves with an unreliable partner in Bashar al-Assad…The Assad regime, the Iranians and Hezbollah - is that a long term alliance that serves Russia's interests?

  3. Robert Alexander Jr.:

    Two of the methods of conviction, or tools used in conviction that would intuitively be the most reliable, we found to be the most unreliable.

  4. Casey Delehanty:

    Data on policing is notoriously terrible, its very spotty. Its unreliable and often inaccurate, and this has really precluded a lot of study and understanding and also accountability in real-time of local, state and federal police.

  5. Jay Inslee:

    Unfortunately [ Sessions ] is referring to incomplete and unreliable data that does not provide the most accurate snapshot of our efforts since the marketplace opened in 2014.

Translations for unreliable

From our Multilingual Translation Dictionary

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"unreliable." Synonyms.com. STANDS4 LLC, 2022. Web. 17 Aug. 2022. <https://www.synonyms.com/synonym/unreliable>.

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