uncommonness

Noun

countable uncountable

The state or quality of being uncommon.

Japanese Meaning

珍しさ / 希少性

The uncommonness of the vintage watch made collectors travel from across the country to see it.

そのヴィンテージ時計の希少性が理由で、コレクターたちは全国から見に来た。

Sense（1）

The state or quality of being uncommon.

The uncommonness of the gem is what defines its value.

uncommonnesses

（ plural ）