What does "deadline" mean?
A time limit in the form of a date on or before which something must be completed.
Deadline
/ˈdɛdˌlaɪn/ noun, verb
noun, verb ·Moderate ·College level
Meaning at a glance
- Primary sense: A time limit in the form of a date on or before which something must be completed.
- Grammar: deadline is listed as noun, verb.
- Nearest alternatives: a-day, border line, bound, boundary.
- Useful contrasts: flexible date, grace, graces.
- Usage evidence: You must get the job done before the deadline.
How to use "deadline"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "deadline" carries the exact meaning, tone, and strength you need.
- 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 "deadline" 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 "deadline" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "deadline" 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 "deadline" is acting as 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 "a-day" 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 "deadline", 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 A time limit in the form of a date on or before which something must be completed.
"I must make this deadline or my boss will kill me!"
- 2 the point in time at which something must be completed wordnet
- 3 A guideline marked on a plate for a printing press. archaic
- 4 A line that does not move. archaic
- 5 A boundary around a prison, prisoners crossing which would be shot. archaic
Verb
- 1 To render an item non-mission-capable; to ground an aircraft, etc.
Synonyms
All synonymsExample
"You must get the job done before the deadline."
Common questions
What is a synonym for "deadline"?
Common synonyms include: a-day, border line, bound, boundary, boundary condition, boundary line.
How do you use "deadline" in a sentence?
You must get the job done before the deadline.
How do you pronounce "deadline"?
Pronounced /ˈdɛdˌlaɪn/.
Etymology
According to the Oxford English Dictionary, early usage refers to lines that do not move, such as one used in angling. Slightly later American usage refers to a boundary in a prison which prisoners must not cross. There is only indirect evidence that the sense of "due date" may be connected with this use of the term in prison camps during the American Civil War, when it referred to a physical line or boundary beyond which prisoners were shot. In 1904, in a report from the US Department of Commerce and Labor, the term is used for "minimum work goals" (and in contrast to bonus line): for example, as a typographer the line could be 18,000 ems per day; should one not cross this line, then that could have negative consequences. In 1917, the term is attested as a printing term for a guideline on the bed of a printing press beyond which text will not print. Three years later, the term is found in print in the sense of "time limit" in the closely connected publishing industry, indicating the time after which material would not make it into a newspaper or periodical.