A small, mischievous sprite or fairy in Irish folklore, typically depicted as a bearded man wearing a coat and hat, who is said to have a hidden pot of gold at the end of the rainbow.

The children were excited to hear stories about the leprechaun and his pot of gold.

Figuratively, a small or mischievous person, especially one of Irish descent.

At just five feet tall, he was affectionately nicknamed the office leprechaun.

leprechaunadjective

Relating to or characteristic of leprechauns.

She decorated the room with leprechaun figures for St. Patrick's Day.