Synonyms|104Antonyms|3|Broader|5Narrower|1Related|23

36 entries under difficulty topic. ×

3
mystery(noun, question, secret, puzzle)
3
cryptogram(question, secret, puzzle, knot)
1
enigma(noun, question, secret, puzzle)
1
closed book(expression, question, secret, puzzle)
1
crux(question, secret, puzzle, knot)
1
grabber(question, secret, puzzle, knot)
1
inscrutability(question, secret, puzzle, obscurity)
1
inscrutableness(question, secret, puzzle, obscurity)
1
mindboggler(question, secret, puzzle, obscurity)
1
occult(question, secret, puzzle, obscurity)
1
oracle(question, secret, puzzle, obscurity)
1
poser(question, secret, puzzle, obscurity)
1
problem(question, secret, puzzle, knot)
1
puzzle(question, problem, secret, obscurity)
1
puzzler(question, problem, puzzle, mystery)
1
question(secret, puzzle, obscurity, knot)
1
rebus(question, secret, puzzle, obscurity)
1
riddle(noun, question, secret, puzzle)
1
rune(question, secret, puzzle, obscurity)
1
secrecy(question, secret, puzzle, obscurity)
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ChicagoSmart Define. 2013. "cliffhanger thesaurus" https://smartdefine.org/cliffhanger/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, cliffhanger thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cliffhanger/thesaurus/synonyms>.
MLASmart Define. "cliffhanger thesaurus" 18 May 2013. Web. 23 September 2026. <https://smartdefine.org/cliffhanger/thesaurus/synonyms>