lossless

/ˈlɒsləs/ (bre, ipa) · /ˈlɔːsləs/ (ame, ipa) · /ˈlȯs-ləs/ (ame, mw)

lossless — adjective

  • losslesspositive
  • more losslesscomparative
  • most losslesssuperlative

1. describing a way of making a digital file smaller or sending energy through a sy

1.形容詞C1
釋義

describing a way of making a digital file smaller or sending energy through a system where every original detail is kept, so the file or signal can be returned to its exact starting form.

例句

Christopher saves his music in a lossless format so the recordings keep every note clearly.

attributive: lossless + format

The engineer told Sofia that FLAC files are lossless and identical to the master.

predicative: files are lossless

同義詞
  • lossy

    actually the antonym; mentioned because it is the direct paired term learners meet first

  • uncompressed

    broader — refers to files with no compression at all; lossless files ARE compressed, just without quality loss

  • bit-perfect

    audiophile term; emphasises that every bit of the original is preserved end-to-end

反義詞
  • lossy

    the standard paired opposite; lossy compression throws away some data to make files smaller (e.g. MP3, JPEG)

文法句型

lossless + noun (compression, format, codec)

be lossless

用法筆記

Almost always attributive (lossless format, lossless codec, lossless compression) or predicative after a copula. Subject is usually a technical noun: file format, codec, compression method, or energy transfer. Often paired in contrast with 'lossy', which is the everyday opposite term in audio and image work.

常見錯誤

❌I lossless the file before sending it.
✅I saved the file in a lossless format before sending it.
💡'lossless' is an adjective, never a verb.
❌The singer sounded lossless on stage.
✅The recording was lossless, so the singer sounded exactly like the original.
💡'lossless' describes the file or signal, not the performer or sound itself.