Synonyms|143Antonyms|4|Broader|5Narrower|2Related|72
2
stumper(difficulty, question, secret, puzzle, knot)
2
teaser(difficulty, question, secret, puzzle, knot)
2
tough nut to crack(expression, idiom, question, secret, puzzle)
2
twister(difficulty, question, secret, puzzle, knot)
2
writing(noun, document)
1
closed book(expression, difficulty, question, secret, puzzle)
1
mystification(question, secret, puzzle, obscurity, knot)
1
perplexity(noun, difficulty, question, secret, puzzle)
1
abstruseness(difficulty, question, secret, puzzle, obscurity)
1
argot
1
babble
1
braintwister(difficulty, question, secret, puzzle, obscurity)
1
cant
1
charade(difficulty, question, secret, puzzle, obscurity)
1
chiller(difficulty, question, secret, puzzle, obscurity)
1
ciphertext
1
cliffhanger(difficulty, question, secret, puzzle, knot)
1
cryptographs
1
rune(difficulty, question, secret, puzzle, obscurity)
1
scramble
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APASmart Define. (2015). cryptogram thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/cryptogram/thesaurus/synonyms
ChicagoSmart Define. 2015. "cryptogram thesaurus" https://smartdefine.org/cryptogram/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, cryptogram thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/cryptogram/thesaurus/synonyms>.
MLASmart Define. "cryptogram thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/cryptogram/thesaurus/synonyms>