Questionable
Questionable adjective - Giving good reason for being doubted, questioned, or challenged.
Unstable and questionable are semantically related. In some cases you can use "Unstable" instead an adjective "Questionable".
Unstable
Unstable adjective - Not being in or able to maintain a state of balance.
Questionable and unstable are semantically related. Sometimes you can use "Questionable" instead an adjective "Unstable".
Nearby Word: unstably
Mutual synonyms
Related pairs
- irregular and questionable
- irregular and unstable
- unsettled and questionable
- unsettled and unstable
- ambiguous and questionable
- ambiguous and unstable
- precarious and questionable
- precarious and unstable
- weak and questionable
- weak and unstable
- slippery and questionable
- slippery and unstable
- flimsy and questionable
- flimsy and unstable
Both words in one sentence
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Though she is generally an unstable, foul-mouthed, questionable, hard-shelled woman, Kokonoe from Blazblue treats Lambda as well as she can given the circumstances.
Source: Motherly Scientist -
Dietrich "Medic" Luzwheit in Dino Attack RPG is an unstable doctor with... questionable ethics and even more questionable methods which include, among other things, removing numerous bones from a living patient.
Source: Mad Doctor -
Jeph Jacques of Questionable Content has a rather unstable relationship with his hardcore fans.
Source: Trolling Creator
Cite this Source
Unstable and Questionable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/questionable/unstable
Questionable & Unstable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/questionable/unstable>.
Unstable or Questionable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/questionable/unstable.
Google Ngram Viewer shows how "questionable" and "unstable" have occurred on timeline