1. Impossible to subdue
   - indomitable, never-say-die

See also: unconquerable

• chiromancer
• chiromancy
• chiromantic
• Chiron
• Chironomidae
• Chironomus
• chiropodist
• chiropody
• chiropractic
• chiropractor
• Chiroptera
• chiropteran
• chirp
• chirper
• chirpily
• chirpiness
• chirpy
• chirr
• chirrup
• chirurgeon
• chirurgical
• chisel
• chisel in
• chisel steel
• chisel-like