impulse
An impulse is a sudden, strong feeling that makes you want to do something right away without thinking.
Explanation at your level:
An impulse is a sudden feeling. You want to do something right now! You do not think about it first. For example, you see a toy and you want to buy it. That is an impulse.
When you have an impulse, you act quickly. You do not plan. We often use this word for shopping. An 'impulse buy' is when you see something in a shop and buy it immediately, even if you did not need it.
An impulse is a sudden, strong urge to do something. It is often spontaneous and unplanned. People often talk about 'resisting an impulse,' which means using self-control to stop yourself from doing something you shouldn't do. It is also used in science to describe small signals in the body.
The word impulse refers to a sudden inclination to act without premeditation. It implies a lack of reflection. In a professional or academic setting, it might refer to a physical force or an electrical signal. Understanding the difference between acting on impulse and acting with intention is a key part of emotional intelligence.
In advanced English, impulse captures the tension between instinct and reason. It describes the raw, immediate drive that bypasses cognitive processing. Whether discussing consumer behavior, psychological theories, or neural transmission, the term highlights the suddenness of an event. It is frequently used in collocations like 'succumb to an impulse' or 'a sudden impulse of generosity,' illustrating the unpredictable nature of human action.
Etymologically rooted in the Latin impulsus, impulse signifies the intersection of force and volition. It serves as a sophisticated descriptor for the involuntary surges that dictate human behavior or physical phenomena. In literary contexts, it may describe a character's internal conflict, where the 'impulse' represents a primal desire clashing against societal norms or personal discipline. Its technical application in physics—as the integral of a force over time—further underscores its dual nature as both a psychological phenomenon and a measurable, objective force.
Mot en 30 secondes
- Impulse is a sudden urge to act.
- It can also mean a physical or electrical signal.
- Commonly used as 'on impulse' or 'impulse buy'.
- It is a noun, not a verb.
Have you ever been in a store and suddenly decided to buy a candy bar even though you weren't hungry? That is an impulse! It is that split-second feeling that pushes you to act immediately.
When we talk about human behavior, an impulse is usually an unplanned urge. It is the opposite of being calculated or careful. You might have an impulse to laugh, run, or speak, and often these actions happen before your brain has a chance to weigh the pros and cons.
Beyond human feelings, the word has a technical side too. In physics and biology, an impulse is a short, sharp burst of energy or a signal. Think of a nerve impulse traveling through your body to tell your hand to move away from a hot stove. It is quick, direct, and powerful.
The word impulse has a fascinating journey through time. It comes from the Latin word impulsus, which is the past participle of impellere, meaning 'to push against' or 'to drive forward'.
In the 16th century, the word entered English to describe a physical force—like a push or a shove. Over time, the meaning shifted from physical pushing to the psychological 'push' we feel inside our minds. It is interesting to see how a word that started as a literal shove evolved into a metaphor for our internal desires.
It shares a root with words like propel and compel. All these words are about movement and force. Whether it is a physical object being moved by a machine or a person being moved by a sudden feeling, the core idea of 'being driven' remains the same.
You will hear impulse used in many different settings. In everyday conversation, we often talk about 'impulse buying,' which is when you buy something you didn't plan to get.
Common collocations include sudden impulse, on impulse, and resist an impulse. If you act 'on impulse,' you are doing something spontaneously. If you 'resist an impulse,' you are using your willpower to stop yourself from doing something potentially silly or harmful.
In formal contexts, like engineering or medicine, you might hear about 'electrical impulses' or 'nerve impulses.' These are neutral, descriptive terms. The register ranges from casual (talking about a shopping spree) to highly academic (discussing neural pathways), making it a very versatile word.
While 'impulse' itself isn't always the main part of an idiom, it is used in several common phrases:
- On impulse: Doing something without planning. 'I bought the tickets on impulse.'
- Impulse buy: A purchase made without prior planning. 'That magazine at the checkout was a total impulse buy.'
- Give an impulse to: To stimulate or encourage something. 'The new law gave an impulse to the economy.'
- Follow one's impulse: To do what you feel like doing. 'She decided to follow her impulse and travel to Italy.'
- Resist the impulse: To stop yourself from acting on a sudden urge. 'I had to resist the impulse to tell him the truth.'
Impulse is a countable noun. You can have 'one impulse' or 'many impulses.' It is often used with the article 'an' (e.g., 'an impulse to act').
Pronunciation is straightforward: /ˈɪmpʌls/. The stress is on the first syllable—IM-pulse. It rhymes with words like repulse and convulse. Remember to keep the 'u' sound short and punchy, just like the word's meaning!
In terms of grammar patterns, you will often see it followed by an infinitive verb, such as 'an impulse to dance' or 'an impulse to scream.' It is a noun that carries a lot of energy, so it is frequently paired with verbs like have, feel, get, or resist.
Fun Fact
It shares a root with 'propel' and 'compel'.
Pronunciation Guide
Short 'i', stress on first syllable.
Crisp 'p', clear 's' at the end.
Common Errors
- Misplacing stress (im-PULSE)
- Pronouncing the 'l' too softly
- Adding an extra syllable
Rhymes With
Difficulty Rating
Easy to understand in context.
Useful for descriptive writing.
Common in daily talk.
Clear pronunciation.
What to Learn Next
Prerequisites
Learn Next
Avanc
Grammar to Know
Countable Nouns
An impulse, two impulses.
Adjective + Noun
Sudden impulse.
Verb + Infinitive
Impulse to act.
Examples by Level
I had an impulse to sing.
I felt like singing.
Use 'an' before impulse.
He bought a cake on impulse.
He bought it suddenly.
Common phrase.
It was a bad impulse.
A wrong feeling.
Simple adjective usage.
She has many impulses.
She feels many things.
Plural form.
Do not follow that impulse.
Don't do it.
Imperative verb.
I felt a sudden impulse.
A quick feeling.
Adjective + noun.
It is just an impulse.
Only a feeling.
Simple sentence.
He controlled his impulse.
He stopped himself.
Past tense verb.
I had a sudden impulse to travel.
She is an impulse shopper.
Don't act on impulse.
He resisted the impulse to laugh.
It was just a silly impulse.
The impulse was too strong.
He followed his impulse.
She had an impulse to call him.
His impulse was to run away.
She is trying to control her impulses.
The store is full of impulse items.
I gave in to the impulse to eat chocolate.
He acted on a sudden impulse.
The machine sends an electrical impulse.
She had an impulse to help.
It was a momentary impulse.
He struggled to resist the impulse to argue.
The impulse to explore is natural.
She made an impulse decision to move.
The nerve impulse traveled quickly.
He felt a sudden impulse of joy.
Don't let your impulses control you.
It was a classic impulse buy.
She suppressed the impulse to cry.
His actions were driven by a sudden impulse.
She had an impulse to challenge the status quo.
The impulse for reform was growing.
He possessed a natural impulse toward kindness.
The electrical impulse triggered the reaction.
She fought the impulse to quit.
The impulse was irresistible.
He acted on a fleeting impulse.
The impulse of the moment dictated his fate.
She felt an impulse of creative energy.
His words were a sudden impulse of honesty.
The impulse toward self-preservation is strong.
She followed her deepest impulses.
The device measures the electrical impulse.
He was a man of sudden impulses.
The impulse for change was undeniable.
Collocations courantes
Idioms & Expressions
"on impulse"
Doing something without planning.
I bought it on impulse.
neutral"give an impulse to"
To encourage or push forward.
The speech gave an impulse to the movement.
formal"the impulse of the moment"
Acting based on how you feel right now.
He acted on the impulse of the moment.
neutral"impulse control"
The ability to manage urges.
He is working on his impulse control.
neutral"follow your impulses"
To do what you want.
Sometimes you just have to follow your impulses.
casual"fight the impulse"
To try not to do something.
I had to fight the impulse to quit.
neutralEasily Confused
Similar sound.
Pulse is a heartbeat; impulse is a sudden urge.
Check your pulse vs. follow your impulse.
Same root.
Impel is a verb; impulse is a noun.
He was impelled to act vs. He had an impulse.
Similar meaning.
Urge can be a verb and a noun.
I urge you to go vs. I had an urge.
Similar context.
Whim is lighter and more playful.
On a whim vs. On impulse.
Sentence Patterns
Have an impulse to [verb]
I have an impulse to dance.
Act on impulse
He acted on impulse.
Resist the impulse to [verb]
Resist the impulse to eat it.
A sudden impulse of [noun]
A sudden impulse of joy.
Follow one's impulse
She followed her impulse.
Famille de mots
Nouns
Verbs
Adjectives
Apparenté
How to Use It
7
Formality Scale
Erreurs courantes
Impulse is a noun, not a verb.
They sound similar but mean different things.
Learners often skip the article.
People think impulses are always negative.
Don't forget the 'e' at the end.
Tips
Memory Palace
Imagine a 'pulse' (heartbeat) that is 'in' (im) your head—a sudden beat!
Native Speakers
We say 'act on impulse' very often.
Shopping
Look for 'impulse items' near the register at stores.
Articles
Always use 'an' or 'the' before impulse.
Stress
Hit the first syllable hard.
Noun vs Verb
Don't say 'I impulsed him'—that's not a word!
Physics
Impulse is actually a formula in physics: Force x Time!
Context
Read sentences with 'impulse' to see how it changes from science to feelings.
Patterns
Look for 'impulse to [verb]'.
Register
Use 'urge' for casual, 'impulse' for slightly more descriptive.
Memorize It
Mnemonic
IM-PULSE: I-M-P-U-L-S-E (I Make Plans Under Little Sense, Except...)
Visual Association
A person reaching for a candy bar at a store checkout.
Word Web
Défi
Try to identify one 'impulse' you have today and decide whether to act on it or not.
Origine du mot
Latin
Original meaning: To push or drive against.
Contexte culturel
None.
Commonly used in psychology and shopping contexts.
Practice in Real Life
Real-World Contexts
Shopping
- impulse buy
- checkout impulse
- store impulse
Psychology
- impulse control
- acting on impulse
- suppressing impulses
Science
- nerve impulse
- electrical impulse
- physical impulse
Daily Life
- follow an impulse
- sudden impulse
- fight the impulse
Conversation Starters
"Do you often act on impulse?"
"What was the last impulse buy you made?"
"Is it hard for you to resist the impulse to check your phone?"
"Do you think it is better to plan or to follow your impulses?"
"Can you describe a time you followed a sudden impulse?"
Journal Prompts
Write about a time you acted on impulse and it turned out well.
Describe a situation where you had to resist an impulse.
Do you think impulses are a good way to make decisions? Why?
How do you think your brain sends an impulse to your body?
Questions fréquentes
8 questionsNo, it is a noun.
Someone who acts without thinking.
Yes, absolutely!
They are similar but instinct is more biological.
IM-pulse.
Impulses.
Yes, for electrical or physical forces.
Impulsive.
Teste-toi
I had an ___ to buy a toy.
Impulse fits the context of a sudden urge.
What does 'impulse buy' mean?
Impulse buys are unplanned.
An impulse is always a bad thing.
Impulses can be neutral or even good.
Word
Signification
Matching terms to meanings.
He acted on impulse.
Score : /5
Summary
An impulse is a sudden push—either in your mind as an urge or in science as a physical signal.
- Impulse is a sudden urge to act.
- It can also mean a physical or electrical signal.
- Commonly used as 'on impulse' or 'impulse buy'.
- It is a noun, not a verb.
Memory Palace
Imagine a 'pulse' (heartbeat) that is 'in' (im) your head—a sudden beat!
Native Speakers
We say 'act on impulse' very often.
Shopping
Look for 'impulse items' near the register at stores.
Articles
Always use 'an' or 'the' before impulse.
Exemple
He bought it on impulse.
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