muggy (adj.)

• boggy
• clammy
• close
• damp
• dampish
• dank
• dewy
• humid
• marshy
• moist
• mucky
• oppressive
• rainy
• soggy
• steamy
• sticky
• stifling
• stuffy
• suffocating
• sultry
• swampy
• tacky
• undried
• wet