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propensity

American  
[pruh-pen-si-tee] / prəˈpɛn sɪ ti /

noun

plural

propensities
  1. a natural inclination or tendency.

    a propensity to drink too much.

    Synonyms:
    proclivity, penchant, disposition, leaning, bent
  2. Obsolete. favorable disposition or partiality.


propensity British  
/ prəˈpɛnsɪtɪ /

noun

  1. a natural tendency or disposition

  2. obsolete partiality

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of propensity

First recorded in 1560–70; propense + -ity

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Explanation

A propensity is a natural tendency to behave in a certain way. We all have propensities — things we tend to do. Dogs have a propensity to bark, and many people have a propensity for getting annoyed by it. If you have a propensity for something, then it's something that comes naturally to you or something you just do a lot. Some people have a propensity to laugh. Other people have a propensity for making others laugh, or for being generous, or for getting angry. It's hard to change your propensities. Sometimes a propensity is a bad thing, as in a criminal with a propensity for theft or murder.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The parameter β1 was called the Marginal Propensity to Consume in Macroeconomics Principles.

From Textbooks • Nov. 29, 2017

There is also some Pain, or at least a Sensation of Weight and Heaviness in the Head: and frequently a Propensity to rave.

From Advice to the people in general, with regard to their health by Tissot, S. A. D. (Samuel Auguste David)

Propensity to magnify self and whatever self either puts forth or is closely allied to, may be prevailingly bridled and controlled by other strong inclinations, and kept within the boundaries of truth.

From Witchcraft of New England Explained by Modern Spiritualism by Putnam, Allen

What further increases our Horror at this enormous Propensity to heat, dry up, and cram the sick is, that it is totally opposite to what Nature herself indicates in such Circumstances.

From Advice to the people in general, with regard to their health by Tissot, S. A. D. (Samuel Auguste David)

His Countenance is higher coloured than in Health; he has a Propensity to sleep, but attended with Confusion and without Refreshment, and has sometimes an extraordinary Appetite.

From Advice to the people in general, with regard to their health by Tissot, S. A. D. (Samuel Auguste David)