1. cold snap- meaning : a sudden short period of very cold weather- A cold snap brought heavy snowfall to the city2. nippy- meaning : used whe the weather is cold and makes you feel a little bit uncomfortable- It was quite nippy this morning, so I had to wear my scarf and gloves3. chilly- meaning : a bit cold, but not comfortable- You might want to bring a sweater, it's a bit chilly outside4. wi..