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Definition of lossy

lossy

/ˈlɔː.si/
los · sy
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lossy Lexical Profile

lossy Game Scores & Validity

• adjective

1

Involving the permanent discarding of some data in order to achieve a smaller file size (of data compression).

Example

"Saving the photograph in a lossy format like JPEG will slightly reduce its image quality."

2

Dissipating electrical or electromagnetic energy as heat rather than transmitting it efficiently.

Example

"Engineers replaced the old coaxial cable because its lossy dielectric material weakened the high-frequency signal."

Synonyms
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Antonyms
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• Rhymes for lossy

• Nearby Words

lossless
lossmaker
lossmaking
lossy
lost
lostness
lot

Cite this Entry

Wordmom. (2026). Definition of Lossy. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/lossy
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