English edit

Etymology edit

un- +‎ compress

Verb edit

uncompress (third-person singular simple present uncompresses, present participle uncompressing, simple past and past participle uncompressed)

  1. (computing, transitive) To restore a compressed file to its normal size.

Usage notes edit

Valid in computing only, otherwise considered nonstandard in deference to decompress.

Synonyms edit

Antonyms edit