Definition of "backboned" []

• With a strong spine (adjective)

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• "When it comes to vertebrate backboned creatures other than humans, only one—the naked mole rat—has achieved the same grade of social organization."
• "She used to say she and Rose Kennedy had much in common; both were iron-backboned New Englanders with nine children, then she'd laugh and go back to washing the laundry."
• "If you agree with the conclusion you are as thin-backboned as Gaius Baltar and just as easily manipulated (this is coming NOT-from an atheist BTW)."