The meaning of HEROIC is of or relating to courageous people or the mythological or legendary figures of antiquity : of, relating to, resembling, or suggesting heroes especially of antiquity.

HEROIC definition: Also heroical of, relating to, or characteristic of a hero or heroine. See examples of heroic used in a sentence.

HEROIC definition: 1. very brave or great: 2. If you make a heroic attempt or effort to do something, you try very…. Learn more.

If you describe an action or event as heroic, you admire it because it involves great effort or determination to succeed.

Definition of heroic adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

a. held to such a degree as to enable a person to perform virtuous actions with exceptional promptness, ease and pleasure, and with self-abnegation and self-control: heroic virtue.

There are 19 meanings listed in OED's entry for the word heroic, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.