English Reference
adjective · verb

prone

adj. · v.
US /ˈpɹoʊn/ UK /pɹˈəʊn/ prone

  1. 01 B2 Upper Intermediate

    adj.likely to do something or suffer from something, especially something bad.

    adj.having a natural inclination or tendency toward a particular condition or action, typically one that is negative or disadvantageous.

    Simple

    He is prone to headaches when he works too long at the computer.

    In context

    The region is particularly prone to flash flooding during the monsoon season, requiring residents to maintain constant vigilance.

    Usage

    Usually followed by the preposition 'to' and a noun or a gerund.

    Pitfall
    He is prone for accidents. He is prone to accidents.

    The adjective 'prone' is followed by the preposition 'to', not 'for'.

  2. 02 C1 Advanced Technical Medicine

    adj.lying flat on your front with your face pointing downwards.

    adj.lying in a horizontal position with the front of the body facing the ground.

    Simple

    The patient was placed in a prone position to help them breathe more easily.

    In context

    The instructor demonstrated how to achieve a stable prone position on the mats before the trainees began the target practice session.

    Usage

    Often used in medical or military contexts to describe body position.

    prostrateface down
    supine
  3. 03 C2 Proficiency Technical Medicine

    v.to put someone into a position where they are lying on their front.

    v.to place a person in a face-down position, especially for medical treatment.

    Simple

    The nurses had to prone the patient every few hours to prevent skin problems.

    In context

    Clinical guidelines suggest that medical staff should prone patients with severe respiratory distress to improve oxygenation levels in the blood.

    Usage

    This is a transitive verb used almost exclusively in clinical settings.

    supinate

Usage prone to earthquakes

These "toddler" stars are prone to throwing fits.

Phys.org· 24 Aug 2026

While Spain isn't particularly prone to earthquakes like some South American countries, Japan and Indonesia for example, they are more common in the south of the country.

The Local· 18 Aug 2026

From Middle English prone, proone, proon, from Latin prōnus (“turned forward, bent or inclined”), from prō (“forward”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin prōnus
Level B2 · Upper Intermediate
Frequency Frequent
Updated