WordWeb Online

1. The property of being moderately cold
   "the chilliness of early morning";
   - coolness, nip
    
2. A lack of affection or enthusiasm
   "a distressing chilliness of tone and manner";
   - coldness, coolness, frigidity, frigidness, iciness

Type of: cold, coldness, emotionlessness, frigidity, frigidness, low temperature, unemotionality