Base
Base adjective - Not following or in accordance with standards of honor and decency.
Questionable and base are semantically related. In some cases you can use "Questionable" instead an adjective "Base".
Questionable
Questionable adjective - Giving good reason for being doubted, questioned, or challenged.
Base and questionable are semantically related. Sometimes you can use "Base" instead an adjective "Questionable".
Mutual synonyms
Both words in one sentence
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Scientists on an Antarctic ice shelf base with questionable activities are killed off one by one by a tentacled monster.
Source: Mysterious Antarctica - This has led them to doing some hard and questionable decisions such as an forceful attempt to set a base on Ekkunar in the past until they were driven off by the Eldrid.
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Some players built their base with fancy designs but with questionable defense.
Source: Video Game / Clash of Clans
Cite this Source
Questionable and Base. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/base/questionable
Base & Questionable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/base/questionable>.
Questionable or Base. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/base/questionable.
Google Ngram Viewer shows how "base" and "questionable" have occurred on timeline