Diagram

noun, verb

noun, verb ·3 syllables ·Common ·Middle school level

Meaning at a glance

  • Primary sense: A plan, drawing, sketch or outline to show the function or operation of something, or to show the relationships between the parts of a whole.
  • Grammar: diagram is listed as noun, verb.
  • Nearest alternatives: chart, graph, map, plan.
  • Useful contrasts: erase, ignore, misinterpret.
  • Usage evidence: This diagram will illustrate what I mean.

How to use "diagram"

  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 "diagram" 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 "diagram" 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 "diagram" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "diagram" 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 "diagram" 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 "chart" 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 "diagram", 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
    A plan, drawing, sketch or outline to show the function or operation of something, or to show the relationships between the parts of a whole.

    "Electrical diagrams show device interconnections."

  2. 2
    a drawing intended to explain how something works; a drawing showing the relation between the parts wordnet
  3. 3
    A graph or chart.

    "A common way to represent change in state over time is via a timing diagram."

  4. 4
    A functor from an index category to another category. The objects and morphisms of the index category need not have any internal substance, but rather merely outline the connective structure of at least some part of the diagram's codomain. If the index category is J and the codomain is C, then the diagram is said to be "of type J in C".
  5. 5
    A crossword grid.

    "Because you have fewer 10- to 15-letter entries in the diagram, you can make judgment calls more quickly by testing out the long ones at the outset."

Verb
  1. 1
    To represent or indicate something using a diagram. transitive
  2. 2
    make a schematic or technical drawing that shows interactions among variables or how something is constructed wordnet
  3. 3
    To schedule the operations of a locomotive or train according to a diagram. UK

    "The timing and diagramming staff, too, were on duty for up to 21 hours devising 80 engine, 60 guards' and 25 carriage working diagrams."

Example

"This diagram will illustrate what I mean."

Common questions

What does "diagram" mean?

A plan, drawing, sketch or outline to show the function or operation of something, or to show the relationships between the parts of a whole.

What is a synonym for "diagram"?

Common synonyms include: chart, graph, map, plan, alphabet, analyze.

How do you use "diagram" in a sentence?

This diagram will illustrate what I mean.

Etymology

From French diagramme, from Italian diagramma, from Ancient Greek διάγραμμα (diágramma).

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