1. Regions adjacent to the tropics
   - subtropics

Type of: climatic zone

• undiscriminating
• undisguised
• undismayed
• undisputable
• undisputed
• undisputedly
• undissolved
• undistinguishable
• undistinguished
• undistorted
• undistributed
• undisturbed
• undiversified
• undividable
• undivided
• undivided interest
• undivided right
• undo
• undoable
• undock
• undocumented
• undoer
• undogmatic
• undogmatical
• undoing