Synonyms of unalarmed

2 Syllables
gallant, steadfast, spunky, icy, fearless, dauntless, valiant
3 Syllables
unflinching, undaunted, unshrinking, fire-eating, intrepid, undismayed, courageous, unafraid, audacious, valorous
4 Syllables
unfaltering, resolute, undeterred
5 Syllables
indomitable, undiscouraged
6 Syllables
unapprehensive