- Definitions|2
- Thesaurus|202
- Abbreviations|0
65 entries under noun topic. ×
| bullbeggar | |
| challenge(puzzle, conundrum) | |
| cliff-hanger(challenge, question, puzzle, example) | |
| fear(worry, concern, problem, monster) | |
| fright | |
| grabber(challenge, question, puzzle, example) | |
| gremlin(worry, concern, fear, curse) | |
| headache | |
| illustration(challenge, question, puzzle, example) | |
| imp | |
| intricacy(challenge, question, puzzle, example) | |
| mind-boggler(challenge, question, puzzle, example) | |
| monstrosity | |
| mystery(challenge, question, puzzle, conundrum) | |
| poser(challenge, question, puzzle, example) | |
| puzzle(challenge, question, mystery, conundrum) | |
| puzzler(challenge, question, puzzle, example) | |
| query(challenge, question, puzzle, example) | |
| riddle(challenge, question, puzzle, mystery) | |
| sixty-four thousand dollar question(expression, idiom, challenge, question) |
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| APA | Smart Define. (2015). bugaboo thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/bugaboo/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "bugaboo thesaurus" https://smartdefine.org/bugaboo/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, bugaboo thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/bugaboo/thesaurus/synonyms>. |
| MLA | Smart Define. "bugaboo thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/bugaboo/thesaurus/synonyms> |