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Backbone vs Backboneless - What's the difference?

backbone | backboneless |

As a noun backbone

is the series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.

As an adjective backboneless is

without a backbone; invertebrate.

backbone

English

Noun

(en noun)
  • The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.
  • any fundamental support, structure, or infrastructure
    • Before automobiles, railroads were a backbone of commerce.
  • courage, fortitude, or strength
    • He would make a good manager, if he had a little more backbone .

    Synonyms

    * spine * spinal column * vertebral column * See also

    backboneless

    English

    Adjective

    (-)
  • Without a backbone; invertebrate.
  • Cowardly, spineless.