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Confusing words explained

“prone” vs “supine” — What’s the Difference?

Prone = face down, supine = back up. Opposite body positions.

Key takeaway

Quick Difference: prone vs supine

Prone = face down, supine = back up. Opposite body positions.

prone /proʊn/ supine /suːˈpaɪn/

prone vs supine Side-by-Side Comparison

Meaning of prone

Adj B2 Neutral
Meaning

Lying flat on your stomach facing down; also means having a tendency toward something.

Short definition

Lying flat on your stomach. Can also mean you tend to do something or are likely to suffer from it.

Rule of thumb

Use for body position in medical contexts or to show tendency/susceptibility.

Examples
  • The doctor asked the patient to lie in a prone position. B2 academic
  • He is prone to forgetting his keys. A2 daily

Meaning of supine

Adj C1 Neutral
Meaning

Lying on your back with face upward; also means passive or lacking resistance.

Short definition

Lying flat on your back facing up. Can also mean weak and not fighting back.

Rule of thumb

Use in medical/fitness contexts for body position; figuratively for passivity.

Examples
  • The patient lay in a supine position during the medical examination. B2 academic
  • I lay supine on the beach in the sun. A2 daily

Usage Notes & Nuance

prone: Also appears in compound 'accident-prone' describing someone unlucky.

supine: Medical term; also used figuratively in political/social criticism.

How to Remember the Difference

Supine = on your Spine (face up); prone = face down (you can't see).

Common Mistakes with prone and supine

Mistake with prone

Correct: Prone means lying face down on your stomach

Mistake with prone

Correct: She is prone to making mistakes

Mistake with supine

Correct: Supine means lying on back facing up

Mistake with supine

Correct: Supine is a body position or describes passivity

Practice Quiz: prone or supine?

Choose the word that best completes each real example sentence.

Question 1

The doctor asked the patient to lie in a _____ position.

Question 2

He is _____ to forgetting his keys.

Question 3

Some people are more _____ to anxiety than others.

Pick at least one answer, then press Check answers to see how you did.

Frequently Asked Questions About prone vs supine

What’s the difference between “prone” and “supine”?

Prone = face down, supine = back up. Opposite body positions.

When should I use “prone”?

Use for body position in medical contexts or to show tendency/susceptibility.

When should I use “supine”?

Use in medical/fitness contexts for body position; figuratively for passivity.

How can I remember prone vs supine?

Supine = on your Spine (face up); prone = face down (you can't see).

Is it “prone” or “supine” in example sentences?

Use the quiz above to test the pair with real example sentences from the available word data.

Explore prone and supine Individually