Dos
name, noun, verb ·Moderate ·College level
Definitions
- 1 Initialism of date of service. abbreviation, alt-of, initialism
- 2 plural of do form-of, plural
"With the coming of Monday arrived a new life for David—a curious life full of "don'ts" and "dos." David wondered sometimes why all the pleasant things were "don'ts" and all the unpleasant ones "dos.""
- 3 plural of do form-of, plural
"In functional harmonic progression, three “Dos” in a row within the Do-Ti test indicate chord changes that can only be this descending third pattern."
- 4 A denial-of-service attack. Internet
- 5 A Director of Studies; someone who oversees the scholarly aspects of an institution, including faculty development and curriculum design.
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- 6 an operating system that is on a disk wordnet
- 7 Initialism of date of separation. abbreviation, alt-of, initialism
- 8 the federal department in the United States that sets and maintains foreign policies wordnet
- 9 Initialism of denial of service. Internet, abbreviation, alt-of, initialism
- 10 Initialism of density of states. abbreviation, alt-of, initialism
- 11 Initialism of director of studies. abbreviation, alt-of, initialism
- 12 Initialism of disk operating system abbreviation, alt-of, initialism
- 13 Initialism of death on scene. abbreviation, alt-of, initialism
- 1 To commit a denial-of-service attack against. Internet, transitive
"In addition to out-of-spec traffic, malicious packets can contain payloads that cause a system to crash. A packet's payload is taken as input into a service. If the input is not properly checked, the application can be DoSed."
- 1 Acronym of Disk Operating System, a family of disk-based operating systems. abbreviation, acronym, alt-of, historical
"Next, using your word processor or the DOS text editor, you can edit your AUTOEXEC.BAT file."
- 2 Initialism of Department of State. US, abbreviation, alt-of, initialism
Synonyms
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All antonymsExample
More examples"This program cannot be run in DOS mode."
Etymology
From denial of service.
Related phrases
More for "dos"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.