150 entries under difficulty topic. ×

39
riddle(noun, trouble, challenge, question)
38
enigma(noun, trouble, dispute, issue)
37
conundrum(noun, trouble, challenge, question)
30
mystery(noun, trouble, dispute, issue)
26
problem(noun, trouble, worry, concern, point)
17
poser(noun, challenge, question, secret)
16
paradox(noun, trouble, challenge, question)
16
question(noun, verb, trouble, concern, point)
12
dilemma(noun, trouble, change, fix, worry)
11
muddle(noun, verb, upset, trouble, clear)
11
perplexity(noun, trouble, change, fix, worry)
9
puzzler(noun, challenge, doubt, question)
9
quandary(noun, trouble, change, fix, worry)
9
teaser(noun, challenge, question, problem)
7
brainteaser(noun, challenge, question, secret)
6
confusion(noun, trouble, concern, anxiety)
5
crux(noun, trouble, change, challenge)
5
distress(noun, verb, upset, trouble, bother)
5
fix(noun, verb, do, resolve)
5
predicament(noun, trouble, change, fix, worry)
<123458>
10 years ago|17k views|share |citing 
APASmart Define. (2016). puzzle thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/puzzle/thesaurus/synonyms
ChicagoSmart Define. 2016. "puzzle thesaurus" https://smartdefine.org/puzzle/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, puzzle thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/puzzle/thesaurus/synonyms>.
MLASmart Define. "puzzle thesaurus" 15 March 2016. Web. 20 September 2026. <https://smartdefine.org/puzzle/thesaurus/synonyms>