Prefixes: mono-, uni-

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Across
  1. 3. a single eyglass, often used to correct vision in one eye
  2. 4. a railway in which the track consists of a single rail.
  3. 6. something that is boring because it is always the same.
  4. 7. speaking or understanding only one language
  5. 8. a single eyebrow that extends across the forehead.
  6. 9. a close-fitting one-piece garment that covers the torso and legs, typically worn for dance or exercise.
  7. 12. a process in which something is done or achieved together at the same time.
  8. 13. done or experienced by everyone;
  9. 14. the cultivation of a single crop in a given area.
  10. 16. complete control of the entire supply of goods or of a service in a certain area or market
Down
  1. 1. a vehicle with a single wheel, typically used for entertainment or sports.
  2. 2. a sound or voice that is unchanging in pitch and without intonation
  3. 4. the state or practice of being married or partnered to only one person at a time.
  4. 5. fear of being qalone
  5. 6. a design composed of one or more letters, typically the initials of a name, used as an identifying mark.
  6. 7. using only shades of a single color or black and white
  7. 8. being the only one of its kind; unlike anything else.
  8. 10. involving only one side or party.
  9. 11. a large single upright block of stone, especially one shaped into a monument or statue.
  10. 13. to make or become united, uniform, or whole.
  11. 15. a mythical creature with a single horn on its forehead.