Learn English – Differences between “propensity”, “predilection” and “proclivity”

differencesmeaningnounssynonyms

Propensity, predilection and proclivity all have the meaning of tendency, so what's the difference? Are they interchangeable?

Best Answer

Predilection means tendency to favor, not just tendency:

a tendency to think favorably of something in particular; partiality; preference: a predilection for Bach.

Propensity and proclivity both just mean tendency:

Propensity: a natural inclination or tendency: a propensity to drink too much.

Proclivity: natural or habitual inclination or tendency; propensity; predisposition: a proclivity to meticulousness.

So while propensity and proclivity are close synonyms, and interchangeable, predilection means something different, and should not be used as a synonym.

There is one major difference between propensity and proclivity, and that is popularity:

Proclivity to me sounds more scholarly than propensity, maybe just because not many people use it.

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