plural rarities
1
: a person or thing that is not common or usual : a person or thing that is not seen or does not happen often
In most sports, athletes over the age of 50 are rarities.
Snow is a rarity in this part of the world.
2
: something that is valuable because there are few of its kind
He is selling most of his collection, keeping only the real rarities.
3
: the quality of being rare
The rarity of the disease makes it difficult to diagnose.
Cite this Entry
“Rarity.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/rarity. Accessed 15 Apr. 2026.
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