scrupleless

English

Etymology

scruple +‎ -less

Adjective

scrupleless (comparative more scrupleless, superlative most scrupleless)

1. Without scruples; uninhibited by conscience or moral concerns.
   • 1822, Sir Walter Scott, chapter 44, in Peveril of the Peak:

     Your Grace's swordsmen have had ill luck of late; and it is hard, since you always choose the best hands, and such scrupleless knaves too.

   • 1914, Mary Hastings Bradley, The Palace of Darkened Windows, D. Appleton & Co., page 312:

     Almost he longed to be a scrupleless Oriental and carry her off across his saddle bow.

   • 2005 April 29, “Ex-valley Man Eyes US-Mexico Border”, in Daily News of Los Angeles:

     We feel one of these untrained civilians will come face to face with a scrupleless smuggler.