1. Not drained
   "preserve wetlands; keep them undrained"

Antonym: drained

• plot line
• plot of ground
• plot of land
• Plotinus
• Plott hound
• plotted
• plotter
• plough
• plough horse
• umbel
• umbel-like
• Umbellales
• umbellar
• umbellate
• umbellifer
• Umbelliferae
• umbelliferous
• umbelliferous plant
• umbelliform
• Umbellularia
• Umbellularia californica
• umber
• umbilical
• umbilical cord
• umbilical hernia