Definify.com
Webster 1913 Edition
Lossless
Loss′less
,Adj.
 Free from loss. 
[Obs.] 
Milton.
 Webster 1828 Edition
Lossless
LOSS'LESS
,Adj.
  Definition 2025
lossless
lossless
English
Adjective
lossless (comparative more lossless, superlative most lossless)
- free from loss, especially not losing electrical energy or force
 - (information theory) Not losing information.
 
Translations
not losing information
Derived terms
- lossless junction