Muggily is a word that can be used to describe a feeling of discomfort or stuffiness in a hot and humid environment. There are many synonyms for this word that can be used to give greater depth and variety to written or spoken language. Some examples of synonyms for muggily include oppressively, stiflingly, sultrily, moistly, clammy, sticky, and humidly. These words can help to convey temperature, humidity and overall climate conditions. Adding variety to writing can help enhance the reader's experience by providing them with better visuals and sensory descriptions. Experimenting with new vocabulary can be a fun way to improve one's writing skills.