40 entries under issue topic. ×

3
spot(noun, verb, action, study, act)
1
Gordian knot(noun, expression, challenge, case)
1
hot water(noun, expression, challenge, case)
1
sticky wicket(noun, expression, challenge, case)
1
brainteaser(noun, challenge, case, matter)
1
case(noun, challenge, matter)
1
catch(noun, challenge, case, matter)
1
challenge(noun, case, matter)
1
conundrum(noun, challenge, case, matter)
1
corner(noun, challenge, case, matter)
1
crux(noun, challenge, case, matter)
1
dilemma(noun, challenge, case, matter)
1
enigma(noun, challenge, case, matter)
1
fix(noun, challenge, case, matter)
1
glitch(noun, challenge, case, matter)
1
hitch(noun, challenge, case, matter)
1
hole(noun, challenge, case, matter)
1
jam(noun, challenge, case, matter)
1
knot(noun, challenge, case, matter)
1
matter(noun, challenge, case)
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APASmart Define. (2015). physics thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/physics/thesaurus/related
ChicagoSmart Define. 2015. "physics thesaurus" https://smartdefine.org/physics/thesaurus/related (accessed September 22, 2026).
HarvardSmart Define 2015, physics thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/physics/thesaurus/related>.
MLASmart Define. "physics thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/physics/thesaurus/related>