1. undertaking any piece of work that is attempted
  2. entertainment an activity that is diverting and that holds the attention
  3. undercurrent a feeling or tendency that is not explicitly expressed
  4. undercover agent (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors
  5. Andrew Dickson White United States educator who in 1865 (with Ezra Cornell) founded Cornell University and served as its first president (1832-1918)
  6. undergarment a garment worn under other garments
  7. understand know and comprehend the nature or meaning of
  8. underground beneath the surface of the earth
  9. undernourishment not having enough food to develop or function normally
  10. underachievement poorer than expected performance
  11. undertaker one whose business is the management of funerals
  12. understatement something said in a restrained way for ironic contrast
  13. Robert King Merton United States sociologist (1910-2003)
  14. entertainment center a wall unit containing sound and television systems
  15. entertaining agreeably diverting or amusing
  16. undergraduate a university student who has not yet received a first degree
  17. underrating an estimation that is too low
  18. underskirt undergarment worn under a skirt
  19. underdevelopment state of inadequate development
  20. under-the-counter done or sold illicitly and secretly;