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swinging

/ˈswɪŋɪŋ/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about swinging at Wordnik → Where our words come from →

  1. Changing location by moving back and forth.

adjective

  1. Characterized by a buoyant rhythm.
    an easy lilting stride

Origin

The sexual practice is so called after the custom in swing dancing of changing partners after each dance, unlike traditional ballroom dance styles where one has a single partner.

From Wiktionary, via Kaikki.org (CC BY-SA)