39 entries under problem topic. ×

5
issue(noun, business, thing, challenge, case)
5
question(noun, challenge, case, content, examination)
4
hot water(noun, expression, business, thing, challenge)
4
enigma(noun, challenge, case, knot)
3
challenge(noun, case, examination, knot)
3
corner(noun, business, thing, challenge, case)
3
crux(noun, challenge, case, question, content)
3
fix(noun, business, thing, challenge, case)
3
hole(noun, business, thing, challenge, case)
3
jam(noun, business, thing, challenge, case)
3
pickle(noun, business, thing, challenge, case)
3
predicament(noun, business, thing, challenge, case)
3
spot(noun, business, thing, challenge, case)
3
trouble(noun, business, thing, challenge, case)
2
Gordian knot(noun, expression, challenge, case)
2
sticky wicket(noun, expression, challenge, case)
1
brainteaser(noun, challenge, case, knot)
1
case(noun, challenge, knot)
1
catch(noun, challenge, case, knot)
1
conundrum(noun, challenge, case, knot)
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APASmart Define. (2011). quantum physics thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/quantum_physics/thesaurus/related
ChicagoSmart Define. 2011. "quantum physics thesaurus" https://smartdefine.org/quantum_physics/thesaurus/related (accessed September 21, 2026).
HarvardSmart Define 2011, quantum physics thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/quantum_physics/thesaurus/related>.
MLASmart Define. "quantum physics thesaurus" 23 May 2011. Web. 21 September 2026. <https://smartdefine.org/quantum_physics/thesaurus/related>