1. Unshaken in purpose
   - undismayed, unshaken 
2. Resolutely courageous
   "undaunted in the face of death"

See also: brave, courageous, resolute

• sit tight
• sit-down
• sit-down strike
• sit-in
• sit-up
• Sita
• sitar
• sitar player
• sitarist
• sitcom
• site
• site visit
• Sitka
• Sitka spruce
• Sitka willow
• Sitophylus
• Sitophylus oryzae
• Sitotroga
• Sitotroga cerealella
• Sitsang
• Sitta
• Sitta canadensis
• Sitta carolinensis
• Sitta europaea
• sitter