The term 'cold sweat' is a phrase used to describe a feeling of FEAR or anxiety. It is often associated with a physical reaction, such as sweating, trembling, or a racing heart. The crossword solution for the term 'cold sweat' is FEAR, which is a four letter word. FEAR is an emotion that is experienced when one perceives a threat or danger. It is a natural response to a perceived threat and can be both beneficial and detrimental depending on the situation.