Unpleasantly humid is a term used to describe a type of weather that is characterized by high levels of moisture in the air. This type of weather can be described as MUGGY, which is a five-letter word, and DANK, which is a four-letter word. MUGGY weather is often associated with oppressive heat and humidity, while DANK weather is usually associated with a damp, musty smell. Both words are used to describe a type of weather that is uncomfortable and unpleasant.