I. sto ‧ ic /ˈstəʊɪk $ ˈstoʊ-/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Origin: Stoic 'follower of the ancient Greek thinker Zeno, who said that happiness results from accepting what happens in life' (14-21 centuries) , from Latin , from Greek stoikos , from Stoa (Poikile) 'Painted Portico' , where Zeno taught in Athens ]
someone who does not show their emotions and does not complain when bad things happen to them
II. sto ‧ ic ‧ al /ˈstəʊɪk ə l $ ˈstoʊ-/ BrE AmE ( also stoic ) adjective
not showing emotion or not complaining when bad things happen to you
—stoically /-kli/ adverb :
She bore the pain stoically.