Difficult question
Knotty problem and difficult question are semantically related. In some cases you can use "Knotty problem" instead a noun phrase "Difficult question".
Knotty problem
Difficult question and knotty problem are semantically related. You can use "Difficult question" instead a noun phrase "Knotty problem".
Mutual synonyms
Related pairs
- problem and difficult question
- problem and knotty problem
- riddle and difficult question
- riddle and knotty problem
- difficulty and difficult question
- difficulty and knotty problem
- puzzle and difficult question
- puzzle and knotty problem
- enigma and difficult question
- enigma and knotty problem
- mystery and difficult question
- mystery and knotty problem
- dilemma and difficult question
- dilemma and knotty problem
Cite this Source
Knotty problem and Difficult question. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/difficult_question/knotty_problem
Difficult question & Knotty problem. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/difficult_question/knotty_problem>.
Knotty problem or Difficult question. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/difficult_question/knotty_problem.
Google Ngram Viewer shows how "difficult question" and "knotty problem" have occurred on timeline