Checker

/ˈtʃɛkə/ noun, verb

noun, verb ·Moderate ·High school level

Meaning at a glance

  • Primary sense: One who or that which checks or verifies something.
  • Grammar: checker is listed as noun, verb.
  • Nearest alternatives: alter, ameliorate, auditor, band.
  • Useful contrasts: empty square, falsifier.
  • Usage evidence: The black and white squares on a checker board are arranged alternately.

How to use "checker"

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

If your draft is formal, technical, persuasive, or sensitive, compare "checker" 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 "checker" 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 "alter" 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 "checker", 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
    One who or that which checks or verifies something.

    "So, keep in mind that Microsoft Word’s Spelling tool is as much a “typo” tool as a checker of spelling."

  2. 2
    A playing piece in the game of checkers (British: draughts), or certain other table games such as backgammon.
  3. 3
    The fruit of the wild service tree or chequer tree, Photinia villosa, syn. Sorbus terminalis
  4. 4
    one of the flat round pieces used in playing the game of checkers wordnet
  5. 5
    One who makes a check mark.

    ""Essentially," said a senior vice president of the FHLBB of Dallas, "we were checkers of boxes.""

Show 6 more definitions
  1. 6
    A pattern of alternating colours as on a chessboard.
  2. 7
    one who checks the correctness of something wordnet
  3. 8
    The clerk who tallies cost of purchases and accepts payment.

    "There was a long line at the grocery store because the checker was so slow."

  4. 9
    An individual square appearing in such a pattern.
  5. 10
    an attendant who checks coats or baggage wordnet
  6. 11
    One who hinders or stops something.
Verb
  1. 1
    To mark in a pattern of alternating light and dark positions, like a checkerboard. transitive
  2. 2
    variegate with different colors, shades, or patterns wordnet
  3. 3
    To develop markings in a pattern of alternating light and dark positions, like a checkerboard. intransitive
  4. 4
    mark into squares or draw squares on; draw crossed lines on wordnet

Antonyms

empty squarefalsifier

Example

"The black and white squares on a checker board are arranged alternately."

Common questions

What does "checker" mean?

One who or that which checks or verifies something.

What is a synonym for "checker"?

Common synonyms include: alter, ameliorate, auditor, band, bar, be changed.

How do you use "checker" in a sentence?

The black and white squares on a checker board are arranged alternately.

How do you pronounce "checker"?

Pronounced /ˈtʃɛkə/.

Etymology

Etymology 1

From check + -er.

Etymology 2

From Middle English cheker, aphetic from Anglo-Norman escheker (“chessboard”), from Latin scaccarium, thus ultimately morpheme-for-morpheme cognate to etymology 1.

Etymology 3

Alteration of chequer.

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