Uncommon (adjective)

1. Not happening or occurring very often.
2. Not ordinary or normal.
3. Not widely known or widespread.
4. Unusual or rare.

Origin:

Late 16th century: from un- (expressing negation) + common.

Examples:

1. It's uncommon to see a snow leopard in the wild.
2. She has an uncommon talent for playing the piano.
3. His knowledge of ancient civilizations was uncommon for someone so young.
4. The restaurant served uncommon dishes from around the world.
5. Uncommon kindness from strangers can make a huge difference in someone's day.