" milk-livered "

1: having or showing a shameful lack of courage;

  * e.g., " ... vented his spleen at those milk-livered men who refused to fight for king and country "

•  Synonyms : 

•  chicken,

•  chicken-livered,

•  chickenhearted,

•  cowardly,

•  craven,

•  dastardly,

•  gutless,

•  lily-livered,

•  poltroon,

•  pusillanimous,

•  recreant,

•  spineless,

•  unheroic,

•  yellow

•  Antonyms : 

•  brave,

•  courageous,

•  daring,

•  dauntless,

•  doughty,

•  fearless,

•  gallant,

•  greathearted,

•  gutsy,

•  hardy,

•  heroic,

•  intrepid,

•  lionhearted,

•  stalwart,

•  stout,

•  stouthearted,

•  valiant,

•  valorous