Meanings
dos1
alternative do's
- pluralplural of do
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."
1916, Eleanor H. Porter, chapter VIII, in Just David
dos2
alternative do's
- pluralentertainmentplural of do
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.
2020, Jennifer Snodgrass, Teaching Music Theory, Oxford University Press, →ISBN, page 212
DOS3
plural DOSes
- abbreviationinitialismgovernmentInitialism of date of separation.
- InternetabbreviationinitialismcomputingInitialism of denial of service.
- abbreviationinitialismsciencesInitialism of density of states.
- abbreviationinitialismcomputingInitialism of disk operating system
- abbreviationacronymhistoricalcomputingAcronym of Disk Operating System, a family of disk-based operating systems.
Next, using your word processor or the DOS text editor, you can edit your AUTOEXEC.BAT file.
1993, Kris A. Jamsa, DOS: The Complete Reference, McGraw–Hill Osborne Media1 more example
One way to do that is to turn the PC off and turn it back on again. Then, the PC performs its self-test and boots DOS.
1993, Doug Lowe, The Only DOS Book You'll Ever Need, Mike Murach & Associates Incorporated, →ISBN, page 95
DoS4
plural DoSs · plural DoSes · alternative DOS
- InternetcomputingA denial-of-service attack.
present singular third person DoSes · participle present DoSing · participle past DoSed · past DoSed · alternative DOS
- InternettransitivecomputingTo commit a denial-of-service attack against.
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.
2003, Jack Koziol, Intrusion Detection with Snort, Indianapolis, IN: Sams Publishing, →ISBN, page 15
DoS5
- educationA Director of Studies; someone who oversees the scholarly aspects of an institution, including faculty development and curriculum design.
Synonyms & antonyms
More synonyms by meaning
nounthe federal department in the United States that sets and maintains foreign policies
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Translations
Arabic دوس
- دوسdisk operating system
French DOS
- DOSdisk operating system
Icelandic diskstýrikerfi
- diskstýrikerfidisk operating system
Italian DOS
- DOSdisk operating system
Rhymes & wordplay
Rhymes with dos
Anagrams
Cite this entry
dos. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/dos
“dos.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/dos. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “dos,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/dos.
Source: dos on Wiktionary, CC BY-SA 4.0.