Synonyms for chill

modified

1. Uncomfortably cool

   brisk, frosty, wintry, chilly; see cold 1, cool 1.

2. Cold in manner

   formal, distant, aloof, icy; see aloof, indifferent 1, unfriendly 1.

3. Depressing

   discouraging, unhappy, dispiriting; see dismal 1, sad 2.

noun

1. Chilliness

   coolness, coldness, rigor, crispness, frigidity, sharpness, iciness, nip, bite; see also cold 1.

2. An illness

   virus, head cold, ague; see cold 3, disease.

verb

1. To reduce temperature

   cool, freeze, refrigerate, ice; see cool 2, freeze 2.

2. To check

   dispirit, dishearten, dampen; see depress 2, discourage 1.