recreant

(noun) an abject coward. Synonyms: poltroon, craven.

(noun) a disloyal person who betrays or deserts his cause or religion or political party or friend etc.. Synonyms: deserter, apostate, renegade, turncoat, ratter.

(adj) having deserted a cause or principle. Synonyms: renegade. Examples: "Some provinces had proved recreant." "Renegade supporters of the usurper."

(adj) lacking even the rudiments of courage; abjectly fearful. Synonyms: craven. Examples: "The craven fellow turned and ran." "A craven proposal to raise the white flag." "This recreant knight"- spenser."