19 entries under inquiry topic. ×

35
secret(noun, trouble, challenge, question, puzzle)
29
problem(noun, trouble, difficulty, issue, challenge)
16
question(noun, trouble, challenge, doubt, problem)
6
difficulty(noun, trouble, difficult, issue, challenge)
6
fair question(noun, expression, idiom, question, secret)
5
bone of contention(noun, expression, idiom, question, secret)
5
field of inquiry(noun, expression, idiom, question, secret)
5
knotty point(noun, expression, idiom, question, secret)
5
matter in dispute(noun, expression, idiom, question, secret)
5
moot point(noun, expression, idiom, question, secret)
4
desideratum(noun, difficult, issue, question, task)
4
discord(noun, verb, difficult, issue, think)
4
open question(noun, expression, idiom, question, secret)
4
plain question(noun, expression, idiom, question, secret)
4
point in dispute(noun, expression, idiom, question, secret)
4
question at issue(noun, expression, idiom, question, secret)
4
subject of controversy(noun, expression, idiom, question, secret)
4
subject of inquiry(noun, expression, idiom, question, secret)
3
quodlibet(noun, difficult, issue, question, task)
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APASmart Define. (2016). enigma thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/enigma/thesaurus/synonyms
ChicagoSmart Define. 2016. "enigma thesaurus" https://smartdefine.org/enigma/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, enigma thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/enigma/thesaurus/synonyms>.
MLASmart Define. "enigma thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/enigma/thesaurus/synonyms>