IPA: /ˈklæmɪnəs/
KK: /ˈklæmɪnɪs/
The condition of being slightly wet and cool, often in an uncomfortable way.
The clamminess of the air made it hard to breathe during the hike.
Clamminess is formed from "clammy" (from Middle English *clammi*, meaning moist or sticky) and the suffix "-ness" (meaning the state or quality of). The word "clamminess" refers to the state of being moist or sticky, often in an unpleasant way.
Think of the word 'clammy' which describes something that is moist or sticky, and remember that 'clamminess' refers to the state of being clammy.