42 entries under unfamiliar topic. ×

2
unconventional(adjective, unusual, special, rare, scarce)
1
different(adjective, certain, special, individual, distinct)
1
noteworthy(adjective, excellent, extraordinary, unusual, strange)
1
out of the ordinary(expression, adjective, idiom, unusual, strange)
1
special(adjective, excellent, extraordinary, unusual, certain)
1
weird(adjective, unusual, special, rare, scarce)
0
astonishing(adjective, rare, scarce, uncommon)
0
awe-inspiring(adjective, rare, scarce, uncommon)
0
conspicuous(adjective, rare, scarce, uncommon)
0
distinguished(adjective, rare, scarce, uncommon)
0
eminent(adjective, rare, scarce, uncommon)
0
far-out(adjective, rare, scarce, uncommon)
0
memorable(adjective, rare, scarce, uncommon)
0
outstanding(adjective, excellent, extraordinary, unusual, special)
0
prodigious(adjective, excellent, extraordinary, unusual, special)
0
prominent(adjective, rare, scarce, uncommon)
0
queer(adjective, unusual, special, rare, scarce)
0
refreshing(adjective, rare, scarce, uncommon)
0
significant(adjective, rare, scarce, uncommon)
0
something else(expression, adjective, rare, scarce)
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APASmart Define. (2015). infrequent thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/infrequent/thesaurus/synonyms
ChicagoSmart Define. 2015. "infrequent thesaurus" https://smartdefine.org/infrequent/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, infrequent thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/infrequent/thesaurus/synonyms>.
MLASmart Define. "infrequent thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/infrequent/thesaurus/synonyms>