Synonyms|27Antonyms|0|Broader|0Narrower|0Related|18
3
enigma
1
conundrum
0
anagram
0
charade
0
crux
0
delicate
0
knotty
0
logogriph
0
monogram
0
nice
0
paradox
0
poser
0
puzzle
0
rebus
0
riddle
0
sphinx
0
subtle
0
vexed
11 years ago|19 views|share |citing 
APASmart Define. (2015). nut to crack thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/nut_to_crack/thesaurus/related
ChicagoSmart Define. 2015. "nut to crack thesaurus" https://smartdefine.org/nut_to_crack/thesaurus/related (accessed September 28, 2026).
HarvardSmart Define 2015, nut to crack thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/nut_to_crack/thesaurus/related>.
MLASmart Define. "nut to crack thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/nut_to_crack/thesaurus/related>