Synonyms of backbone in English:

backbone


See definition of backbone

noun

1‘an injured backbone’

SYNONYMS
spine, spinal column, vertebral column, vertebrae
back
technical dorsum, rachis

2‘these firms are the backbone of our industrial sector’

SYNONYMS
mainstay, cornerstone, foundation, chief support, buttress, pillar

3‘he has enough backbone to see us through this difficulty’

SYNONYMS
strength of character, strength of will, firmness of purpose, firmness, resolution, resolve, determination, fortitude, mettle, moral fibre, spine, steel, nerve, spirit, pluck, pluckiness, courage, courageousness, bravery, braveness, valour, manliness
informal guts, spunk, grit
British informal bottle
vulgar slang balls
ANTONYMS

weakness