Definition of "barefoot"

barefoot

/ˈbɛɹfʊt/

adjective
not comparable
1. Wearing nothing on the feet.
  Quotations
  [L]ike Hedg-hogs vvhich / Lye tumbling in my bare-foote vvay, and mount / Their pricks at my foot-fall: ſometime am I / All vvound vvith Adders, vvho vvith clouen tongues / Doe hiſſe me into madneſſe: […]
  1610–1611 (date written), William Shakespeare, “The Tempest”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene ii], page 9, column 1
  It was firm enough to walk on, but Bradly took off his boots to preserve the leather from sea-water, and for the pleasure of barefoot walking on cool sand.
  1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, page 60
2. (informal) Of a vehicle on an icy road: not using snow chains.
3. (CB radio, slang) Transmitting without the use of an amplifier.
adverb
not comparable
1. Wearing nothing on the feet.
  Quotations
  Ignoring the familiar discomfort, he padded barefoot across the thick white carpet toward the heavy curtains that lined the richly appointed bedroom’s wide transparisteel window.
  2007, Andy Mangels, Michael A. Martin, Star Trek: Enterprise: The Good That Men Do
2. (CB radio slang) Transmitting without the use of an amplifier.