intrepid
1. [ adjective ] invulnerable to fear or intimidation
Synonyms: audacious dauntless brave unfearing fearless
Examples:

"audacious explorers" "fearless reporters and photographers" "intrepid pioneers"

Related terms: bold
Similar spelling:   intrepidly
  intrepidity
  indri
  Indriidae
  intrude
  in_turn
  interested
  Intropin
  intrench
  interest
  indirect