116 entries under unusual topic. ×

1
youthful(adjective, strange, new, hot)
0
arcane(special, rare)
0
egregious(special, rare)
0
extreme(special, rare, leading-edge, pioneering)
0
incomparable(special, rare, single, sole)
0
infrequent(special, rare)
0
inimitable(exceptional, special, rare, single)
0
nondescript(special, rare)
0
out of the way(expression, idiom, special, rare)
0
outre(new, exceptional, special, original)
0
prodigious(new, exceptional, special, original)
0
scarce(special, rare)
0
seldom(special, rare)
0
sporadic(special, rare)
0
unimaginable(exceptional, special, rare, single)
-1
few(special, rare)
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APASmart Define. (2015). novel thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/novel/thesaurus/synonyms
ChicagoSmart Define. 2015. "novel thesaurus" https://smartdefine.org/novel/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, novel thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/novel/thesaurus/synonyms>.
MLASmart Define. "novel thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/novel/thesaurus/synonyms>