lossless

1 antonym for lossless — opposites grouped by meaning.

Adjective — Free from loss, especially not losing electrical energy or force.

Synonyms by Meaning

Free from loss, especially not losing electrical energy or force.

“Engineers aimed for a lossless power line to cut down on wasted energy.”

Opposites

lossy

In information theory, not losing any information when data is compressed or converted.

“FLAC is a lossless audio format, so no sound quality is discarded.”

Opposites

lossy

lossy

The word patterns that sound natural to a native speaker.

lossless compression lossless audio format lossless quality

The word is mostly used in technical contexts such as computing, audio engineering and electrical engineering.

Formed in English from loss with the suffix -less, meaning without loss.

What does lossless mean in audio or file formats?

Lossless means the format or process keeps all the original information, so nothing is discarded when the file is compressed or converted.

Is lossless the opposite of lossy?

Yes, lossless and lossy are treated as opposites: lossless keeps everything, while lossy discards some detail to save space.

Where does the word lossless come from?

It is built from loss plus the suffix -less.

lossy