steady
calm
imperturbable
Corsican
Uranian
adventure-loving
ascorbic
chameleonlike
erethic
eupeptic
free-handed
grey-faced
high-strung
insuppressible
irreflective
irritative
life-loving
overdraw
sport-loving
tax-and-spend
tortoise-like
unassertive
unfearing
unimpressible
unobservant
unphilosophical
unshrinking
excitable