Dos

/diː oː ˈɛs/ name, noun, verb

name, noun, verb ·Moderate ·College level

Meaning at a glance

  • Primary sense: Initialism of date of service.
  • Grammar: dos is listed as name, noun, verb.
  • Nearest alternatives: coiffure, department of state, disk operating system, gathering.
  • Useful contrasts: baldness, bare scalp, don'ts.
  • Usage evidence: This program cannot be run in DOS mode.

How to use "dos"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "dos" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "dos" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "dos" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "dos" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "dos" is acting as name, noun, verb in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "coiffure" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "dos", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    Initialism of date of service. abbreviation, alt-of, initialism
  2. 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. 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. 4
    A denial-of-service attack. Internet
  5. 5
    A Director of Studies; someone who oversees the scholarly aspects of an institution, including faculty development and curriculum design.
Show 8 more definitions
  1. 6
    an operating system that is on a disk wordnet
  2. 7
    Initialism of date of separation. abbreviation, alt-of, initialism
  3. 8
    the federal department in the United States that sets and maintains foreign policies wordnet
  4. 9
    Initialism of denial of service. Internet, abbreviation, alt-of, initialism
  5. 10
    Initialism of density of states. abbreviation, alt-of, initialism
  6. 11
    Initialism of director of studies. abbreviation, alt-of, initialism
  7. 12
    Initialism of disk operating system abbreviation, alt-of, initialism
  8. 13
    Initialism of death on scene. abbreviation, alt-of, initialism
Verb
  1. 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."

Proper Noun
  1. 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. 2
    Initialism of Department of State. US, abbreviation, alt-of, initialism

Synonyms

All synonyms
coiffuredepartment of statedisk operating systemgatheringhairstyleparty

Antonyms

baldnessbare scalpdon'tsisolation

Example

"This program cannot be run in DOS mode."

Common questions

What does "dos" mean?

Initialism of date of service.

What is a synonym for "dos"?

Common synonyms include: coiffure, department of state, disk operating system, gathering, hairstyle, party.

How do you use "dos" in a sentence?

This program cannot be run in DOS mode.

How do you pronounce "dos"?

Pronounced /diː oː ˈɛs/.

Etymology

From denial of service.

More for "dos"