lossless is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Adjective (COMPARABLE)

Free from loss, especially not losing electrical energy or force.
(information theory) Not losing information.

lossless is a Scrabble valid word

lossless

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

lossless is an iScramble, QuickWords valid word

lossless

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• GLOSSLESS

Same letters minus one

• SOSSLES