backbone
12 synonyms for backbone, grouped by meaning and by how common each one is.
Noun — The column of connected vertebrae running down the back that protects the spinal cord.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use backbone
The word patterns that sound natural to a native speaker.
Etymology
From Middle English bakbon, a compound of back and bone.
Full origin of backbone →