1 [C] a thing or a person that is unusual and is therefore often valuable or interestingदुर्लभ वस्तु या विरले प्रकार का व्यक्ति (अतएव बहुमूल्य या रोचक)
Women lorry drivers are still quite a rarity.
2 [U] the quality of being rareदुर्लभता, विरलता
The rarity of this stamp increases its value a lot.