31 entries under question topic. ×

1
brainteaser(noun, challenge, task)
1
catch(noun, challenge, task)
1
conundrum(noun, challenge, task)
1
corner(noun, challenge, task)
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crux(noun, challenge, task)
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dilemma(noun, challenge, task)
1
enigma(noun, challenge, task)
1
fix(noun, challenge, task)
1
glitch(noun, challenge, task)
1
gordian knot(noun, challenge, task, expression)
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hitch(noun, challenge, task)
1
hole(noun, challenge, task)
1
hot water(noun, challenge, task, expression)
1
issue(noun, challenge, task)
1
jam(noun, challenge, task)
1
mire(noun, challenge, task)
1
mystery(noun, challenge, task)
1
perplexer(noun, challenge, task)
1
pickle(noun, challenge, task)
1
pitfall(noun, challenge, task)
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APASmart Define. (-0001). under the radar thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/under_the_radar/thesaurus/related
ChicagoSmart Define. -0001. "under the radar thesaurus" https://smartdefine.org/under_the_radar/thesaurus/related (accessed September 28, 2026).
HarvardSmart Define -0001, under the radar thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/under_the_radar/thesaurus/related>.
MLASmart Define. "under the radar thesaurus" 30 November -0001. Web. 28 September 2026. <https://smartdefine.org/under_the_radar/thesaurus/related>