The quality or state of being cold or cool. The chilliness of the early morning air made her shiver.
A feeling of coldness or a lack of warmth in a relationship or atmosphere. There was a noticeable chilliness in the room after the argument.
A sensation of shivering or feeling cold in the body, often as a symptom that precedes fever or illness. He felt an unexplained chilliness and feared he might be coming down with the flu.