Definition of "collarless"

collarless

adjective
not comparable
1. Of a garment, having no collar.
  Quotations
  Their records have sold 2,500,000 copies, and crowds stampede for a chance to touch the hem of the collarless coats sported onstage by all four of them.
  1963 November 15, “The New Madness”, in Time
  He had been to Yemen twice, once wearing the white ankle-length, collarless gown worn by most Omanis.
  2010 January 7, “Yemen's problems evident at the border”, in The Sydney Morning Herald
2. (obsolete) Of a man, not wearing a detachable collar.
  Quotations
  The driver of the jitney was a young, swarthy prairie man, in shirt sleeves, and collarless, with a derby on one side of his head […]
  1918, Sinclair Lewis, “Afterglow”, in I'm a Stranger Here Myself and Other Stories, New York: Dell, published 1962, page 81
  He was pining for England, though he dreaded facing it, as one dreads facing a pretty girl when one is collarless and unshaven.
  1934, George Orwell, chapter 5, in Burmese Days‎
3. Of a dog, not wearing a dog collar.
  Quotations
  I wandered about Paris like a lost dog, like a collarless dog.
  1963, François Mauriac, chapter IX, in Wallace Fowlie, transl., What I Believe, New York: Farrar, Straus & Co., page 118
  I rescued Safi, aged eight months, from an animal shelter where she had been brought as a stray, collarless, without history.
  1999, Barbara Smuts in J. M. Coetzee, The Lives of Animals, Princeton University Press, page 115