Synonyms for (noun) craven

craven, poltroon, recreant

an abject coward

LESS SPECIFIC: coward

Synonyms for (adjective) craven

craven, recreant

lacking even the rudiments of courage; abjectly fearful

the craven fellow turned and ran; a craven proposal to raise the white flag; this recreant knight- Spenser

LESS SPECIFIC: fearful, cowardly