1550s, "moving to and fro," present-participle adjective from swing (v.). Meaning "marked by a free, sweeping movement" is from 1818. Sense of "uninhibited" is from 1958.
a swinging pace
swindler
swine
swineherd
swing
swinger
swinging
swingle
swingletree
swing-shift
swinish
swipe
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