Doubtful and Suspect

Doubtful

Doubtful adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: the election results were highly doubtful, so an investigation was begun

Suspect is a synonym for doubtful in questionable topic. In some cases you can use "Suspect" instead the word "Doubtful" as an adjective or a verb, when it comes to topics like honest, vague. popular alternative

Suspect

Suspect adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: since she was carrying no cash or credit cards, her claim to the store's detectives that she had intended to pay for the items was suspect

Doubtful is a synonym for suspect in honest topic. You can use "Doubtful" instead an adjective "Suspect", if it concerns topics such as suspicious, vague. popular alternative

Nearby Words: suspected, suspecting
Cite this Source
Suspect and Doubtful. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/doubtful/suspect
Doubtful & Suspect. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/doubtful/suspect>.
Suspect or Doubtful. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/doubtful/suspect.
Google Ngram Viewer shows how "doubtful" and "suspect" have occurred on timeline