of or pertaining to the school of philosophy founded by Zeno, who taught that people should be free from passion, unmoved by joy or grief, and submit without complaint to unavoidable necessity.

( lowercase ) stoical.

a member or adherent of the Stoic school of philosophy.

( lowercase ) a person who maintains or affects the mental attitude advocated by the Stoics.

adjective

aloof , apathetic , calm , cool , detached , dispassionate , dry , enduring , impassive , imperturbable , indifferent , indomitable , long-suffering , matter-of-fact , patient , phlegmatic , resigned , self-controlled , sober , stoical , stolid , unconcerned , unemotional , unflappable , unmoved , philosophic , philosophical , resolute , spartan , spartanic , undemonstrative , unruffled