1. craven, poltroon, dastardly, pusillanimous, fainthearted, white-livered, lily-livered, chicken-hearted, fearful, afraid, scared. Cowardly, timid, timorous refer to a lack of courage or self-confidence. Cowardly means weakly or basely fearful in the presence of danger: The cowardly wretch deserted his comrades in battle. Timid means lacking in boldness or self-confidence even when there is no danger present: a timid person who stood in the way of his own advancement. Timorous suggests a timidity based on an exaggeration of dangers or on an imaginary creation of dangers: timorous as a mouse.