brawny
(of a person) possessing physical strength and weight; rugged and powerful
contend
compete for something; engage in a contest; measure oneself against others
laborious
characterized by effort to the point of exhaustion; especially physical effort
wily
marked by skill in deception
humane
marked or motivated by concern with the alleviation of suffering
irreverent
showing lack of due respect or veneration
lithe
moving and bending with ease
ponder
reflect deeply on a subject
intolerable
incapable of being put up with
illustrious
widely known and esteemed
synthetic
a compound made artificially by chemical reactions
venomous
extremely poisonous or injurious; producing venom