1. Susceptible to being defeated
   - vanquishable, vincible

See also: beat, conquerable

• ground rule
• ground sloth
• ground snake
• ground squirrel
• ground state
• ground stroke
• ground substance
• ground swell
• ground tackle
• ground water
• ground wave
• ground zero
• ground-controlled approach
• ground-effect machine
• ground-emplaced mine
• ground-floor
• ground-hugging
• ground-service crew
• ground-shaker
• groundball
• groundberry
• groundbreaker
• groundbreaking
• groundbreaking ceremony
• groundcover