Questionable and Unmodifiable

Opposite meaning words

Questionable adjective - Giving good reason for being doubted, questioned, or challenged.

Show all Definitions

Unmodifiable is an antonym for questionable.

Unmodifiable adjective - Incapable of being modified in form or character or strength (especially by making less extreme).

Show all Definitions

Questionable is an antonym for unmodifiable in intent topic.

Cite this Source

Unmodifiable and Questionable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/questionable/unmodifiable

Questionable & Unmodifiable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/questionable/unmodifiable>.

Unmodifiable or Questionable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/questionable/unmodifiable.

Google Ngram Viewer shows how "questionable" and "unmodifiable" have occurred on timeline