1. a lack of affection or enthusiasm

e.g. a distressing coldness of tone and manner

Synonym: coldnesscoolnessfrigidnessicinesschilliness

2. the absence of heat

e.g. the coldness made our breath visible
come in out of the cold
cold is a vasoconstrictor

Synonym: coldnesscoldlow temperaturefrigidness

3. sexual unresponsiveness (especially of women) and inability to achieve orgasm during intercourse

Synonym: frigidness