1. Varying in direction suddenly and frequently
   "broken-field running"

See also: broken

• ground control
• ground crew
• ground effect
• ground fir
• ground fire
• ground forces
• ground glass
• ground ivy
• ground level
• ground loop
• ground noise
• ground out
• ground pine
• ground pink
• ground plan
• ground rattler
• ground rent
• ground roller
• ground rose
• ground rule
• ground sloth
• ground snake
• ground squirrel
• ground state
• ground stroke