/ həˈrəʊɪk; NAmE -ˈroʊ-/ adjective
1.
showing extreme courage and admired by many people
SYN courageous :
a heroic figure
Rescuers made heroic efforts to save the crew.
2.
showing great determination to succeed or to achieve sth, especially sth difficult :
We watched our team's heroic struggle to win back the cup.
3.
that is about or involves a hero :
a heroic story / poem
heroic deeds / myths
4.
very large or great :
This was foolishness on a heroic scale .
► hero·ic·al·ly / -kli; NAmE / adverb
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WORD ORIGIN
late Middle English : from Old French heroique or Latin heroicus , from Greek hērōikos relating to heroes, from hērōs hero.