fenny

Short definition from Wiktionary

Adjective

1. 1
   Characteristic of or resembling a fen (“characteristically alkaline wetland containing peat below the waterline”); marshy, swampy; also, of land: containing a fen or fens.
2. 2
   Now chiefly of plants: growing or living in a fen.
3. 3
   Muddy; hence, dirty, filthy.

Noun

1. 1
   Alternative form of fennie (“fenestration”).

Proper noun

1. 1
   A female given name, short for Fenella.