Difficult
Difficult adjective - Requiring considerable physical or mental effort.
Obtuse and difficult are semantically related. In some cases you can use "Obtuse" instead an adjective "Difficult".
Nearby Word: difficulty
Mutual synonyms
Both words in one sentence
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Another quest might have a segment where Morse code needs to be transcribed and translated to reveal map coordinates for where to go next.. Guide Dang It: Some of these puzzles are difficult more because of the obtuse user interface than the mental effort involved.
Source: Video Game / The Secret World -
It should be noted that freeing her is very difficult, since she's located in an easy-to-miss part of the map, stuck in a cell that requires a very obtuse puzzle to get her out of, and will be Mind Controlled by an evil artifact that you must destroy to free her.
Source: Something We Forgot
Cite this Source
Obtuse and Difficult. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/difficult/obtuse
Difficult & Obtuse. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/difficult/obtuse>.
Obtuse or Difficult. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/difficult/obtuse.
Google Ngram Viewer shows how "difficult" and "obtuse" have occurred on timeline