unarc

unarc verb: to extract (a file) from a compressed archive in ARC (file format).

Verb

unarc (third-person singular simple present unarcs, present participle unarcing, simple past and past participle unarced)

(transitive) To extract (a file) from a compressed archive in ARC (file format).
- I unarced it with UNARC.F83, a good example of a useful application that runs using only standard words (and F83 in particular). The unarced file is VIDEO.BLK, which looks similar to the VIDEO.BLK file from VIDEOF83.1988, Forth Dimensions, volume 10, page 18
- The individual files compressed within the archive file SUPPLIER on drive B are unarced and placed in the subdirectory […]1988, Don Berliner, Managing Your Hard Disk, page 496

Windows setup entails unarcing files into system subdirectory […]1991, InfoWorld, volume 13, numbers 9-17, page 390:
MegaD also provides an easy method for arcing or unarcing files using various compression programs.1993, Microtimes, volume 10, page 210:
Early in the semester, students also had to learn how to ftp files from a remote site and unarc them using PKXARC.2005, Kirk St. Amant, Pavel Zemliansky, Internet-based Workplace Communications:

third-person singular present	unarcs
present participle	unarcing
past participle	unarced
past	unarced

From un- + ARC.

What does unarc mean?: Unarc means to extract (a file) from a compressed archive in ARC (file format).
How do you use unarc in a sentence?: Windows setup entails unarcing files into system subdirectory […]
What part of speech is unarc?: Unarc is a verb.
What is the past tense of unarc?: The past tense of unarc is unarced.

Adapted from Wiktionary: unarc (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this entry: “unarc.” Word.ws, https://word.ws/unarc. Based on Wiktionary, CC BY-SA 4.0.