the series of bones in the spine that protect the spinal cord, the most important or fundamental part of something, courage and determination

Formal and Informal Expressions of backbone

In different contexts, you can replace 'backbone' with suitable alternatives. In a more formal setting, 'core, essence' is apt. In informal speech or writing, 'guts, nerve' is a commonplace synonym.

backbone: Explore its Definition & Usage

backbone Definition

1the series of bones in the spine that protect the spinal cord
2the most important or fundamental part of something
3courage and determination

Using backbone: Examples

Take a moment to familiarize yourself with how "backbone" can be used in various situations through the following examples!

Example
The backbone consists of 33 vertebrae.
Example
Education is the backbone of a nation.
Example
She showed great backbone in standing up to her boss.

backbone Synonyms and Antonyms

Synonyms for backbone

Antonyms for backbone

Phrases with backbone

have no backbone
to lack courage or determination
Example
He has no backbone to stand up for himself.
put one's backbone into something
to put all of one's effort, energy, and determination into something
Example
She put her backbone into finishing the project on time.
backbone of the economy
the most important and fundamental part of the economy
Example
Small businesses are the backbone of the economy.

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Summary: backbone in Brief

The term 'backbone' [ˈbækboʊn] refers to the series of bones in the spine that protect the spinal cord, as well as the most important or fundamental part of something. It can also denote courage and determination, as in 'She showed great backbone in standing up to her boss.' Phrases like 'have no backbone' and 'put one's backbone into something' highlight the importance of courage and determination, while 'backbone of the economy' emphasizes the fundamental nature of something.