(a.) Not trembling or shaking; fearless; bold; brave; undaunted; courageous; as, an intrepid soldier; intrepid spirit\.

adventurous audacious bold bold-spirited brave chivalric chivalrous courageous daring dashing dauntless doughty fearless gallant game greathearted hardy heroic herolike ironhearted knightlike knightly lionhearted manful manly plucky resolute soldierlike soldierly stalwart steadfast stout stouthearted unafraid undaunted valiant valorous venturesome