1. Invulnerable to fear or intimidation
   - audacious, brave, dauntless, fearless, hardy, intrepid

See also: bold

• explicandum
• explicate
• explication
• explication de texte
• explicative
• explicator
• explicit
• explicit definition
• explicitly
• explicitness
• explode
• explode a bombshell
• exploded
• exploding cucumber
• exploit
• exploitable
• exploitation
• exploitative
• exploitatory
• exploited
• exploiter
• exploitive
• exploration
• explorative
• exploratory