D defs.my
Entry 3 senses Webster, 1913

Spineless

/spīn'-ləs/ · Spine·less · IPA /spˈaɪnləs/
01 a. Having no spine, or vertebral column.
  1. 1.
    Having no spine, or vertebral column.
  2. 2.
    Having no thorns or barbs.
  3. 3.
    lacking in strength of character; cowardly, in a physical or moral sense.