Conditional and Doubtful

Conditional

Conditional adjective - Determined by something else.
Usage example: the sale of the house is conditional upon the approval of a mortgage for the prospective buyer

Doubtful and conditional are semantically related. In some cases you can use "Doubtful" instead an adjective "Conditional".

Doubtful

Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.

Conditional and doubtful are semantically related. Sometimes you can use "Conditional" instead an adjective "Doubtful".

Cite this Source
Doubtful and Conditional. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/conditional/doubtful
Conditional & Doubtful. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/conditional/doubtful>.
Doubtful or Conditional. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/conditional/doubtful.
Google Ngram Viewer shows how "conditional" and "doubtful" have occurred on timeline