0
mormo
0
mystery(noun, challenge, question, puzzle, conundrum)
0
nuisance(worry, concern, problem)
0
obstacle
0
obstruction
0
offender
0
poser(noun, challenge, question, puzzle, example)
0
puzzle(noun, challenge, question, mystery, conundrum)
0
puzzler(noun, challenge, question, puzzle, example)
0
query(noun, challenge, question, puzzle, example)
0
raw
0
retrieve
0
riddle(noun, challenge, question, puzzle, mystery)
0
risk
0
rub
0
sixty-four thousand dollar question(noun, expression, idiom, challenge, question)
0
snag
0
stickler(noun, challenge, question, puzzle, mystery)
0
stumper(noun, challenge, question, puzzle, example)
0
teaser(noun, challenge, question, puzzle, example)
11 years ago|2.9k views|share |citing 
APASmart Define. (2015). bugaboo thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/bugaboo/thesaurus/synonyms
ChicagoSmart Define. 2015. "bugaboo thesaurus" https://smartdefine.org/bugaboo/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, bugaboo thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/bugaboo/thesaurus/synonyms>.
MLASmart Define. "bugaboo thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/bugaboo/thesaurus/synonyms>