1. Tending to discourage (especially of prices)
   - prohibitive

See also: preventative, preventive

• undock
• undocumented
• undoer
• undogmatic
• undogmatical
• undoing
• undomestic
• undomesticated
• undone
• undoubted
• undoubtedly
• undrained
• undramatic
• undramatically
• undrape
• undraped
• undrawn
• undreamed
• undreamed of
• undreamt
• undreamt of
• undress
• undressed
• undried
• undrinkable