22 entries under abstruseness topic. ×

3
secret(noun, adjective, clandestine, underhand, unrevealed)
1
mystery(noun, understanding, secret, puzzle)
0
brainteaser(noun, understanding, inscrutableness, rebus)
0
braintwister(noun, inscrutableness, rebus)
0
closed book(noun, expression, inscrutableness, rebus)
0
confidential information(noun, expression, inscrutableness, rebus)
0
grabber(noun, inscrutableness, rebus)
0
inscrutability(noun, inscrutableness, rebus)
0
inscrutableness(noun, rebus)
0
magic number(noun, expression, inscrutableness, rebus)
0
mindboggler(noun, inscrutableness, rebus)
0
privileged information(noun, expression, inscrutableness, rebus)
0
rebus(noun, inscrutableness)
0
rune(noun, inscrutableness, rebus)
0
runes(noun, inscrutableness, rebus)
0
skeleton in cupboard(noun, expression, idiom, inscrutableness)
0
sphinx(noun, understanding, inscrutableness, rebus)
0
stumper(noun, understanding, inscrutableness, rebus)
0
teaser(noun, understanding, inscrutableness, rebus)
0
thriller(noun, understanding, inscrutableness, rebus)
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APASmart Define. (2015). known thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/known/thesaurus/antonyms
ChicagoSmart Define. 2015. "known thesaurus" https://smartdefine.org/known/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, known thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/known/thesaurus/antonyms>.
MLASmart Define. "known thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/known/thesaurus/antonyms>