According to the search results, a craven is a person or thing that is extremely cowardly and lacking courage. It is a term used to describe someone who is contemptibly fainthearted and unwilling to fight. The word can be used as an adjective or a noun. Some synonyms of craven include cowardly, weak, scared, fearful, lily-livered, pusillanimous, and timorous. The term is often used in a disapproving manner.