1. build up enlarge, develop, or increase by degrees or in stages
  2. buildup the act of accumulating
  3. built-up peopled with settlers
  4. belt up refuse to talk or stop talking; fall silent
  5. build upon be based on; of theories and claims, for example
  6. build in make something an integral part of something else
  7. build on be based on; of theories and claims, for example
  8. builder someone who contracts for and supervises construction
  9. build make by combining materials and parts
  10. blow tube a tube that directs air or gas into a flame to concentrate heat
  11. bucked up inspired with confidence
  12. bail out remove from a boat by dipping and throwing over the side
  13. built-in existing as an essential constituent or characteristic
  14. bulldoze flatten with or as if with a bulldozer
  15. yield up surrender, as a result of pressure or force
  16. blood cup a scarlet European fungus with cup-shaped ascocarp
  17. bulldog a sturdy thickset short-haired breed with a large head and strong undershot lower jaw; developed originally in England for bull baiting
  18. bust-up a serious quarrel (especially one that ends a friendship)
  19. bust up smash or break forcefully
  20. fold up bend or lay so that one part covers the other

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