Dubious
Dubious adjective - Giving good reason for being doubted, questioned, or challenged.
Unreliable is a synonym for dubious in suspect topic. In some cases you can use "Unreliable" instead an adjective "Dubious", when it comes to topics like doubtful, dangerous, suspicious, undependable. popular alternative
Unreliable
Unreliable adjective - Not worthy of reliance or trust.
Dubious is a synonym for unreliable in questionable topic. You can use "Dubious" instead an adjective "Unreliable", if it concerns topics such as dangerous, undependable, not true. popular alternative
Nearby Words: unreliability, unreliably
Mutual synonyms
Related pairs
- suspect and dubious
- suspect and unreliable
- questionable and dubious
- questionable and unreliable
- unsettled and dubious
- unsettled and unreliable
- doubtful and dubious
- doubtful and unreliable
- precarious and dubious
- precarious and unreliable
- shady and dubious
- shady and unreliable
- risky and dubious
- risky and unreliable
Both words in one sentence
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He keeps claiming it's a classic, but it is notoriously unreliable and when any other team member rides in it, they are always dubious as to whether it will get them to their destination.
Source: The Alleged Car - Perhaps an example of an unreliable expositor; her husband and sister-in-law are both dubious of Deanna's explanation, and Elizabeth's friend calls it a "planned accident".
Source: Artistic License Pharmacology -
Which is a combination of Unreliable Narrator and re-retcon, later described as being a dubious claim at the least, and most likely an outright lie by the Protector discussing the hyperspace creatures.
Source: Hyperspace Is a Scary Place
Cite this Source
Unreliable and Dubious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/dubious/unreliable
Dubious & Unreliable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/dubious/unreliable>.
Unreliable or Dubious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/dubious/unreliable.
Google Ngram Viewer shows how "dubious" and "unreliable" have occurred on timeline