Словарь синонимов английского языка - backbone

(n) 1. spine, spinal column: He's much better since the surgery on his backbone. 2. mainstay, chief or main support, buttress, pillar: Sheila has been the backbone of the society, but she has now moved away. 3. resoluteness, sturdiness, firmness, determination, strength (of character), mettle, purposefulness, resolution, courage, fortitude, resolve, will, will-power, strength, stability, stamina, staying power, grit: Has she the backbone to run the company alone?