0
precious(excellent, wonderful, first-rate)
0
primo
0
product
0
promising(excellent, wonderful, first-rate)
0
propitious(excellent, wonderful, first-rate)
0
prosperous(excellent, wonderful, first-rate)
0
rara avis
0
rare bird
0
resplendent(excellent, wonderful, first-rate)
0
rich(excellent, wonderful, first-rate)
0
rosy(excellent, wonderful, first-rate)
0
separate
0
shining(excellent, wonderful, first-rate)
0
single
0
single unrepeated event(expression, idiom)
0
singularity(find, curiosity)
0
solo
0
something(noun, curiosity, oddity, rarity)
0
something else
0
species
11 years ago|3.6k views|share |citing 
APASmart Define. (2015). one-off thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/one-off/thesaurus/synonyms
ChicagoSmart Define. 2015. "one-off thesaurus" https://smartdefine.org/one-off/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, one-off thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/one-off/thesaurus/synonyms>.
MLASmart Define. "one-off thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/one-off/thesaurus/synonyms>