Definition of "Heroic" :

noun: a verse form suited to the treatment of heroic or elevated themes; dactylic hexameter or iambic pentameter

adjective: having or displaying qualities appropriate for heroes

"The heroic attack on the beaches of Normandy."

adjective: showing extreme courage; especially of actions courageously undertaken in desperation as a last resort

"They took heroic measures to save his life."

adjective: of behavior that is impressive and ambitious in scale or scope

"Heroic undertakings."

adjective: very imposing or impressive; surpassing the ordinary (especially in size or scale)

"Of heroic proportions."

adjective: relating to or characteristic of heroes of antiquity

"Heroic legends."