Find Antonyms
lossy Antonyms
Opposite of lossy
Because the opposite of lossy shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Involving the permanent discarding of some data in order to achieve a smaller file size (of data compression).
Usage Example
"Saving the photograph in a lossless format like JPEG will slightly reduce its image quality."
Strongest
lossless
• adjective (Context 2)
Dissipating electrical or electromagnetic energy as heat rather than transmitting it efficiently.
Usage Example
"Engineers replaced the old coaxial cable because its lossless dielectric material weakened the high-frequency signal."
Strongest
lossless
Similar words to lossy
Words similar to lossy shift depending on context. Common synonyms include:
dissipative
inefficient
Cite this Entry
Wordmom. (2026). Antonyms for Lossy. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/lossy