資料來源 : pyDict

無脊椎的,沒有骨氣的,懦弱的

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Spineless \Spine"less\, a.
   Having no spine.

資料來源 : WordNet®

spineless
     adj 1: weak in willpower [syn: {namby-pamby}, {wishy-washy}]
     2: lacking courage or vitality; "he was a yellow gutless worm";
        "a spineless craven fellow" [syn: {gutless}] [ant: {gutsy}]