Nippy/ˈnɪpi/ Definition 1 of 3Pro Tip 1/3Casual Temperature Use 'nippy' to describe a crisp, cool temperature in a casual conversation. You'll feel the nippy air biting your cheeks. Pro Tip 2/3Not Freezing 'Nippy' suggests cold but not extremely so; it's more brisk. It's just nippy enough for a light sweater. Pro Tip 3/3Weather-Specific Commonly used to discuss weather rather than objects or people. It's particularly nippy for April!