English

Adjective

lossful ‎(comparative more lossful, superlative most lossful)

1. (archaic) Causing loss or damage; harmful.
   • 1611, John Donne, An Anatomy of the World

     Sing on, thou virgin soul, whose lossful gain / Thy love-sick parents have bewail'd in vain...

2. (telecommunications, computing) Lossy; involving loss of information.
   • 2008, Edward Szewczak, Selected Readings on the Human Side of Information Technology

     Thresholding and neighborhood definition are further lossful transformations which make details of the original application data virtually unrecoverable.