Dubious
Dubious adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.
Usage example: dubious about a diet that claims I can eat all I want and still lose weight
Diffident and dubious are semantically related in doubtful topic. In some cases you can use "Diffident" instead an adjective "Dubious".
Diffident
Diffident adjective - Not comfortable around people.
Dubious and diffident are semantically related in hesitant topic. Sometimes you can use "Dubious" instead an adjective "Diffident".
Nearby Words: diffidence, diffidently
Mutual synonyms
Related pairs
- doubtful and dubious
- doubtful and diffident
- hesitant and dubious
- hesitant and diffident
- reluctant and dubious
- reluctant and diffident
- suspicious and dubious
- suspicious and diffident
- faltering and dubious
- faltering and diffident
- insecure and dubious
- insecure and diffident
- uncertain and dubious
- uncertain and diffident
Cite this Source
Diffident and Dubious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/dubious/diffident
Dubious & Diffident. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/dubious/diffident>.
Diffident or Dubious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/dubious/diffident.
Google Ngram Viewer shows how "dubious" and "diffident" have occurred on timeline