He was known as a blackguard for his disrespectful behavior.

The potatoes started to blacken when I accidentally left them in the oven for too long.

I love the taste of blackcurrant in my smoothies.

The judge wore a blackcap when delivering the death sentence.

A blackbody is an object that absorbs all electromagnetic waves projected onto its surface, as assumed in physics.

The teacher wrote the equation on the blackboard.

I saw a blackbird in the garden.

I picked some ripe blackberries from the garden.

He was blackballed from joining the club.

The term 'blackamoor' was commonly used in the past to refer to black people.