Impulse

/ˈɪmpʌls/ noun, verb

noun, verb ·Common ·High school level

Meaning at a glance

  • Primary sense: A thrust; a push; a sudden force that impels.
  • Grammar: impulse is listed as noun, verb.
  • Nearest alternatives: pulse, urge, actuation, aggression.
  • Useful contrasts: be patient, continuous signal, deliberation.
  • Usage evidence: A foolish impulse made me say what I should have left unsaid.

How to use "impulse"

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

If your draft is formal, technical, persuasive, or sensitive, compare "impulse" 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 "impulse" 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 "pulse" 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 "impulse", 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 thrust; a push; a sudden force that impels.

    "c. 1715-1716, Samuel Clarke, letter to Gottfried Wilhelm Leibniz All spontaneous animal motion is performed by mechanical impulse."

  2. 2
    the act of applying force suddenly wordnet
  3. 3
    A wish or urge, particularly a sudden one prompting action.

    "The impulse to learn drove me to study night and day."

  4. 4
    an impelling force or strength wordnet
  5. 5
    The integral of force over time.

    "The total impulse from the impact will depend on the kinetic energy of the projectile."

Show 4 more definitions
  1. 6
    the electrical discharge that travels along a nerve fiber wordnet
  2. 7
    (electronics) a sharp transient wave in the normal electrical state (or a series of such transients) wordnet
  3. 8
    a sudden desire wordnet
  4. 9
    an instinctive motive wordnet
Verb
  1. 1
    To impel; to incite. transitive

    "With that force so impulsed and prest they are carried under the deepe Ocean."

Antonyms

be patientcontinuous signaldeliberationpolicy

Example

"A foolish impulse made me say what I should have left unsaid."

Common questions

What does "impulse" mean?

A thrust; a push; a sudden force that impels.

What is a synonym for "impulse"?

Common synonyms include: pulse, urge, actuation, aggression, archetypal pattern, archetype.

How do you use "impulse" in a sentence?

A foolish impulse made me say what I should have left unsaid.

How do you pronounce "impulse"?

Pronounced /ˈɪmpʌls/.

Etymology

Borrowed from Middle French impulser, from Latin impulsus. For spelling, as in pulse, the -e (on -lse) is so the end is pronounced /ls/, rather than /lz/ as in pulls, and does not change the vowel (‘u’). Compare else, false, convulse.

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