Obscure
Obscure adjective - Having an often intentionally veiled or uncertain meaning.
Unbelievable and obscure are semantically related in not easily understood topic. In some cases you can use "Unbelievable" instead an adjective "Obscure".
Unbelievable
Unbelievable adjective - Too extraordinary or improbable to believe.
Obscure and unbelievable are semantically related in ambiguous topic. Sometimes you can use "Obscure" instead an adjective "Unbelievable".
Nearby Words: unbelieving, unbeliever
Mutual synonyms
Both words in one sentence
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The Rival: Has what is now a two-way rivalry with Radio 4 panel show The Unbelievable Truth, which is also in the habit of discussing obscure, counter-intuitive facts because they're the easiest to convince people are lies.
Source: Series / QI
Cite this Source
Unbelievable and Obscure. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/obscure/unbelievable
Obscure & Unbelievable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/obscure/unbelievable>.
Unbelievable or Obscure. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/obscure/unbelievable.
Google Ngram Viewer shows how "obscure" and "unbelievable" have occurred on timeline