Doubtful and Optional

Related words

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

Show all Definitions

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

Optional adjective - Subject to one's freedom of choice.

Show all Definitions

Doubtful and optional are semantically related. Sometimes you can use "Doubtful" instead an adjective "Optional".

Nearby Words: option, optionally

Cite this Source

Optional and Doubtful. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/doubtful/optional

Doubtful & Optional. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/doubtful/optional>.

Optional or Doubtful. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/doubtful/optional.

Google Ngram Viewer shows how "doubtful" and "optional" have occurred on timeline