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backbone

back·bone

backbone

 
pronunciation:
baek bon
features:
Word Combinations (noun), Word Explorer
part of speech: noun
definition 1: the series of bones that run along the center of the back; spinal column; vertebrae.
synonyms:
back, rachis, spinal column, spine
similar words:
chine, vertebrae
definition 2: anything similar to a backbone in location, function, support, or appearance.
She was the backbone of our project.
synonyms:
mainstay
similar words:
anchor, basis, cornerstone, foundation, keystone, pillar, prop, spine, strength
definition 3: strength or firmness of character.
She showed real backbone in standing up to the government.
synonyms:
character, fortitude, grit, guts, spunk
similar words:
courage, determination, mettle, nerve, resolve, spine, strength
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  invertebrate, skeleton