Deep
Deep adjective - Being beyond one's powers to know, understand, or explain.
Usage example: a deep, dark secret that he took to his grave
Perplexing and deep are semantically related. in puzzling topic. In some cases you can use "Perplexing" instead an adjective "Deep".
Perplexing
Perplexing adjective - Lacking clarity of meaning; causing confusion or perplexity.
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Synonyms for Perplexing
Deep and perplexing are semantically related. Sometimes you can use "Deep" instead an adjective "Perplexing".
Mutual synonyms
Related pairs
Both words in one sentence
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Which makes his deep baritone voice sound perplexing.
Source: Vocal Dissonance -
Whilst this error is excusable for the sake of narrative, it is still somewhat perplexing, as a bit of research shows that the ground beneath Glasgow is lousy with abandoned mineshafts, which could well be deep enough to shelter in the event of nuclear war.
Source: Literature / Metro 2033
Cite this Source
Perplexing and Deep. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/deep/perplexing
Deep & Perplexing. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/deep/perplexing>.
Perplexing or Deep. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/deep/perplexing.
Google Ngram Viewer shows how "deep" and "perplexing" have occurred on timeline