Deep
Deep adjective - Having an often intentionally veiled or uncertain meaning.
Usage example: one of those deep passages in the Bible that can be interpreted in any number of different ways
Difficult is a synonym for deep in abstract topic. In some cases you can use "Difficult" instead an adjective "Deep", when it comes to topics like profound, abstruse.
Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Deep is a synonym for difficult in abstruse topic. Sometimes you can use "Deep" instead an adjective "Difficult", if it concerns topics such as complicated.
Nearby Word: difficulty
Mutual synonyms
Cite this Source
Difficult and Deep. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/deep/difficult
Deep & Difficult. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/deep/difficult>.
Difficult or Deep. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/deep/difficult.
Google Ngram Viewer shows how "deep" and "difficult" have occurred on timeline