Definition of spineless adjective from the Oxford Advanced American Dictionary

     

    spineless

     adjective
    adjective
    NAmE//ˈspaɪnləs//
     
     
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  1. 1(disapproving) (of people) weak and easily frightened
  2. 2 (of animals) having no spine (= the long bone in the back)
  3. 3 (of animals or plants) having no spine S (= sharp parts like needles)
See the Oxford Advanced Learner's Dictionary entry: spineless