backbone

/ˈbækboʊn/
nounIntermediate
formal

The main supporting structure of a body or object, providing strength and stability

The spine is the backbone of the human body.

The spine supports the body and connects to the ribs and pelvis.

💡

Can be used literally for physical structures or figuratively for essential support systems.

figurative

The essential or most important part of something, providing strength and support

Teamwork is the backbone of our company's success.

Teamwork is the most important factor in the company's achievements.

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Commonly used in business, sports, and organizational contexts.

Collocations

backbone ofthe essential part ofstrong backbonestrong support structure

Synonyms

Antonyms

Related Phrases

backbone of the economyphrase
the most important part of the economy
backbone of the teamphrase
the most important player or group in the team

💡Pro Tip

Literal vs. Figurative Use

Use 'backbone' literally for physical structures and figuratively for essential support systems.

Gold Rule

Figurative Usage

When used figuratively, 'backbone' typically refers to the most important or essential part of something.

📖Word Origin

From Middle English 'bakbon' (14th century), from 'bak' (back) + 'bon' (bone).

📝Usage Notes

In figurative use, often followed by 'of' to indicate the essential part of something.

Word Breakdown

back
the rear part of the body
root
+
bone
the hard, rigid part of the skeleton
root
English Dictionary