Synonyms|55Antonyms|1|Broader|0Narrower|1Related|0

7 entries under expression topic. ×

2
closed book(question, secret, puzzle, subtlety)
2
sixty-four-thousand-dollar question(question, secret, puzzle, subtlety)
2
tough nut to crack(idiom, difficulty, question, secret)
0
confidential information(perplexity, abstruseness, inscrutableness)
0
magic number(perplexity, abstruseness, inscrutableness)
0
privileged information(perplexity, abstruseness, inscrutableness)
0
skeleton in cupboard(idiom, perplexity, abstruseness, inscrutableness)
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APASmart Define. (2011). mindboggler thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/mindboggler/thesaurus/synonyms
ChicagoSmart Define. 2011. "mindboggler thesaurus" https://smartdefine.org/mindboggler/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2011, mindboggler thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/mindboggler/thesaurus/synonyms>.
MLASmart Define. "mindboggler thesaurus" 23 May 2011. Web. 23 September 2026. <https://smartdefine.org/mindboggler/thesaurus/synonyms>