Definition of nippy

Over time, the word "nip" began to be used to describe a sharp, sudden chill in the air. This might have been because the cold air was seen as "seizing" or "grasping" one's skin. By the 17th century, "nip" had evolved into "nippy," a adjective meaning "cool or chilly." Today, "nippy" is often used to describe a crisp, refreshing breeze on a mild day. So, the next time you step outside on a chilly morning and someone says, "What a nippy day!" you can impress them with your knowledge of the word's chilly origins!