Dictionary.com
definitions

identity theft

  1. the fraudulent appropriation and use of someone's identifying or personal data or documents, as a credit card.

Origin of identity theft

1995–2000
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for identity theft

identity theft

noun
  1. the crime of setting up and using bank accounts and credit facilities fraudulently in another person's name without his or her knowledge
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012