126 entries under extraordinary topic. ×

1
noticeable(solid, unusual, outstanding, serious)
1
phony(strange, unbelievable, implausible, unthinkable)
1
primo(solid, unusual, exceptional, outstanding)
1
reachy(strange, unbelievable, implausible, unthinkable)
1
respective(special, individual, remarkable, particular)
1
significant(adjective, solid, superior, unusual)
1
smashing(adjective, solid, superior, unusual)
1
staggering(adjective, strange, unbelievable, implausible)
1
surprising(adjective, solid, unusual, strange)
1
unconvincing(strange, doubtful, dubious, unlikely)
1
unknowable(obscure, dark, strange, heavenly)
1
world-class(adjective, excellent, outstanding, special)
1
zero cool(expression, adjective, good, great, excellent)
0
arresting(solid, unusual, outstanding, notable)
0
arrestive(solid, unusual, exceptional, outstanding)
0
avant-garde(unusual, strange, new, fresh)
0
discrete(adjective, separate, unusual, strange)
0
extra special(expression, remarkable, impressive)
0
high(adjective, excellent, special, brilliant)
0
inconsistent(adjective, excellent, strange, usual)
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APASmart Define. (2016). rare thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/rare/thesaurus/synonyms
ChicagoSmart Define. 2016. "rare thesaurus" https://smartdefine.org/rare/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, rare thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/rare/thesaurus/synonyms>.
MLASmart Define. "rare thesaurus" 14 March 2016. Web. 30 September 2026. <https://smartdefine.org/rare/thesaurus/synonyms>