U – Unkindness

An unkindness of ravens.

To remember the collective for ravens, use the following mnemonic:

It was a demonstration of real unkindness – the ravens surrounded the newborn lamb with the idea of killing it for food.

Examples of unkindness in a sentence:

An unkindness of ravens can be vicious.

It's possible to train an unkindness of ravens to perform tricks.

Try to avoid the unkindness of ravens.