Synonyms|62Antonyms|2|Broader|3Narrower|1Related|6

2 entries under conundrum topic. ×

1
question(difficulty, secret, puzzle, obscurity, subtlety)
0
puzzler(difficulty, question, puzzle, perplexity, mystery)
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APASmart Define. (2016). closed book thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/closed_book/thesaurus/synonyms
ChicagoSmart Define. 2016. "closed book thesaurus" https://smartdefine.org/closed_book/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, closed book thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/closed_book/thesaurus/synonyms>.
MLASmart Define. "closed book thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/closed_book/thesaurus/synonyms>