Doubtful and Indeterminate

Doubtful

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

Indeterminate is a synonym for doubtful in certain topic. In some cases you can use "Indeterminate" instead an adjective "Doubtful", when it comes to topics like questionable, unlikely.

Indeterminate

Indeterminate adjective - Not precisely determined or established; not fixed or known in advance.

Doubtful is a synonym for indeterminate in certain topic. You can use "Doubtful" instead an adjective "Indeterminate".

Cite this Source
Indeterminate and Doubtful. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/doubtful/indeterminate
Doubtful & Indeterminate. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/doubtful/indeterminate>.
Indeterminate or Doubtful. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/doubtful/indeterminate.
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