Frosty/ˈfrɔːsti/ Definition 1 of 2Pro Tip 1/3Seasonal Usage Use 'frosty' to describe cold conditions typically associated with winter. The frosty December air made their breath visible. Pro Tip 2/3Physical Sensations Frosty often depicts how things feel to touch, like cold glass or metal. His fingers tingled as he touched the frosty railing. Pro Tip 3/3Emotional Atmosphere 'Frosty' can describe an atmosphere that feels cold due to lack of emotional warmth. The room fell into frosty silence after the argument.