1. Unshaken in purpose
   - undaunted, undismayed

See also: resolute

• life of Riley
• life office
• life peer
• life preserver
• life principle
• life raft
• life ring
• life science
• life scientist
• life sentence
• life story
• life tenant
• life vest
• life-and-death
• life-giving
• life-of-man
• life-or-death
• life-sized
• life-support
• life-support system
• life-sustaining
• life-threatening
• lifeblood
• lifeboat
• lifeguard