Abstract
Abstract adjective - Dealing with or expressing a quality or idea.
Questionable and abstract are semantically related. In some cases you can use "Questionable" instead an adjective "Abstract".
Questionable
Questionable adjective - Giving good reason for being doubted, questioned, or challenged.
Abstract and questionable are semantically related. Sometimes you can use "Abstract" instead an adjective "Questionable".
Mutual synonyms
Cite this Source
Questionable and Abstract. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/abstract/questionable
Abstract & Questionable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/abstract/questionable>.
Questionable or Abstract. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/abstract/questionable.
Google Ngram Viewer shows how "abstract" and "questionable" have occurred on timeline