224 entries under noun topic. ×

13
difficulty(trouble, challenge, question, secret)
11
question(trouble, challenge, secret, brain)
11
problem(trouble, challenge, question, secret)
10
dilemma(trouble, challenge, question, secret)
9
quandary(trouble, challenge, question, secret)
8
puzzlement(trouble, challenge, question, secret)
7
mystery(trouble, challenge, question, secret)
7
stumper(trouble, challenge, question, secret)
6
brain-teaser(trouble, challenge, question, secret)
6
deal breaker(challenge, case, matter, knot)
6
riddle(trouble, challenge, question, secret)
5
enigma(trouble, challenge, question, secret)
5
brainteaser(trouble, challenge, question, secret)
5
paradox(brain, mystery, secrecy)
5
physics(issue, challenge, case, matter)
5
poser(brain, riddle, brainteaser)
5
predicament(brain, riddle, brainteaser)
5
teaser(brain, riddle, brainteaser)
4
puzzle(trouble, challenge, question, secret)
4
difficult question(expression, trouble, challenge, question)
<12345…10>
10 years ago|127 views|share |citing 
APASmart Define. (2016). conundrum thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/conundrum/thesaurus/related
ChicagoSmart Define. 2016. "conundrum thesaurus" https://smartdefine.org/conundrum/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 2016, conundrum thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/conundrum/thesaurus/related>.
MLASmart Define. "conundrum thesaurus" 1 April 2016. Web. 29 September 2026. <https://smartdefine.org/conundrum/thesaurus/related>