INTREPID
audacious, brave, dauntless, fearless, hardy, intrepid, unfearing
(adjective) invulnerable to fear or intimidation; “audacious explorers”; “fearless reporters and photographers”; “intrepid pioneers”
Source: WordNet® 3.1
Etymology
Adjective
intrepid (comparative more intrepid, superlative most intrepid)
Fearless; bold; brave.
Synonyms: fearless, unafraid, courageous
Anagrams
• pteridin
Source: Wiktionary
In*trep"id, a. Etym: [L. intrepidus: cf. F. intrépide. See In- not,
and Trepidation.]
Definition: Not trembling or shaking with fear; fearless; bold; brave;
undaunted; courageous; as, an intrepid soldier; intrepid spirit.
Syn.
– Fearless; dauntless; resolute; brave; courageous; daring;
valiant; heroic; doughty.
Source: Webster’s Unabridged Dictionary 1913 Edition