1. ground swell a broad and deep undulation of the ocean
  2. groundsel Eurasian weed with heads of small yellow flowers
  3. ground ball (baseball) a hit that travels along the ground
  4. groundball (baseball) a hit that travels along the ground
  5. grandiosely in a grandiose manner
  6. ground rule (baseball) a special rule (as in baseball) dealing with situations that arise due to the nature of the playing grounds
  7. ground zero the target of a projectile (as a bomb or missile)
  8. groundless without a basis in reason or fact
  9. ground sloth gigantic extinct terrestrial sloth-like mammal of the Pliocene and Pleistocene in America
  10. grounds your basis for belief or disbelief
  11. groundspeed the speed of an aircraft relative to the ground
  12. groundsheet a waterproofed piece of cloth spread on the ground (as under a tent) to protect from moisture
  13. ground level the height of the ground on which something stands
  14. groundsman someone who maintains the grounds
  15. ground beetle predacious shining black or metallic terrestrial beetle that destroys many injurious insects
  16. ground roller Madagascan roller with terrestrial and crepuscular habits that feeds on e.g. insects and worms
  17. groundsel bush a shrub of salt marshes of eastern and south central North America and West Indies; fruit is surrounded with white plumelike hairy tufts
  18. groundsel tree a shrub of salt marshes of eastern and south central North America and West Indies; fruit is surrounded with white plumelike hairy tufts
  19. Grundyism excessive or affected modesty
  20. grandson a male grandchild

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