Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Knowing and difficult are semantically related. In some cases you can use "Knowing" instead an adjective "Difficult".
Nearby Word: difficulty
Both words in one sentence
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I Know Your True Name: Probably the most difficult branch of magic, with most arcanists knowing no names, and a very few knowing one or two.
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The author of Tsuribaka Nisshi stopped being a bank teller, and instead decided to become a Mangaka despite knowing how difficult it would be at his age.
Source: Pursue the Dream Job -
It's really not too difficult to figure this tidbit out without even knowing about it, just by watching how Walken acts.
Source: Film / A View to a Kill
Cite this Source
Knowing and Difficult. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/difficult/knowing
Difficult & Knowing. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/difficult/knowing>.
Knowing or Difficult. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/difficult/knowing.
Google Ngram Viewer shows how "difficult" and "knowing" have occurred on timeline