1) Boggy 2) Marshy 3) Miry 4) Mucky 5) Muddy 6) Sloughy 7) Soft and watery 8) Swampy 
• (a.) Of the nature of a quagmire; yielding or trembling under the foot, as soft, wet earth; spongy; boggy.
Quag'gy adjective [ See Quag , Quagmire .] Of the nature of a quagmire; yielding or trembling under the foot, as soft, wet earth; spongy; boggy. 'O'er the watery strath, or quaggy moss.' Collins. 
of the nature of or resembling a quagmire; marshy; boggy. · soft or flabby: quaggy flesh.