Instinct
noun
Definition
1. A natural tendency to react without thinking.
2. A gut feeling or natural ability to know what to do.
2. A gut feeling or natural ability to know what to do.
Context Alive
The mother heard a loud crash from the kitchen. Without a second thought, she rushed toward the sound. It was pure instinct that made her move so fast, a force deeper than logic that pushed her to protect her child before her mind even had time to process what had happened.
Meanings
2 meanings 1 A Natural Tendency to React Without Thinking (Noun) Very Common ▼
This meaning is about a built-in behavior that happens automatically. Imagine a deer in the forest suddenly hearing a branch snap. Without thinking, it runs. That’s instinct — a natural reaction it was born with, not something it learned. This is acting on instinct. You might say “birds migrate south by instinct” or “the baby grabbed my finger out of pure instinct.” Or picture someone pulling their hand away from a hot stove before they even feel the pain. The word points to something automatic and deeply wired into us. ✏️ This is different from “habit” — habits are learned over time, but instincts are natural from birth.
Vivid ExampleThe cat had never been outside before. But the moment a bird flew past the window, its hunting instinct kicked in immediately, eyes locked, body low, tail twitching — a behavior no one had ever taught it.
2 A Gut Feeling or Natural Ability (Noun) Very Common ▼
This meaning is about a natural sense of knowing what to do without being told. Imagine a detective walking into a crime scene and feeling something is off. He can’t explain it yet, but his instinct tells him the story doesn’t add up. This is instinct as a gut feeling — a quiet inner voice. You might hear “trust your instincts” or “she has a strong instinct for business.” Or think about a teacher who has an instinct for knowing when a student is struggling, even before they ask for help. The word carries a sense of natural wisdom. ✏️ “Gut instinct” is a very common expression — it means a strong feeling about something that comes from deep inside, not from facts or logic.
Vivid ExampleThe investor looked at the numbers and everything seemed fine. But something in her instinct told her to walk away from the deal, and two months later she was glad she listened when the company collapsed.
Examples from the Street
“My instinct told me not to trust him, and I was right.”
My gut feeling warned me he wasn’t trustworthy, and it turned out to be correct
“She has a natural instinct for business — everything she touches turns to gold.”
She has an inborn talent for making money — every venture she gets involved in succeeds
“My first instinct was to run, but I forced myself to stay calm.”
My immediate, automatic reaction was to escape, but I made myself keep my composure
Common Patterns
my instinct tells me (that) → I have a gut feeling that something is the case
trust/follow your instincts → rely on your gut feelings rather than overthinking
gut instinct → a strong feeling based on intuition, not reasoning
first/initial instinct → the immediate, automatic reaction before thinking it through
go against your instincts → act in a way that contradicts what your gut tells you
instinct that (clause) → a feeling or sense that something is true
a natural instinct for something → an inborn ability or feel for a particular skill
have an instinct for something → possess an intuitive ability in a particular area
good/sharp/strong instincts → reliable intuitive judgement
political/business/killer instinct → a sharp, natural ability to succeed in a competitive area
survival instinct → the deep, automatic drive to stay alive
maternal/paternal instinct → the natural urge to protect and care for one’s children
act on instinct / by instinct → react automatically without conscious thought
basic/primal instinct → a deep, ancient drive shared by humans and animals
instinct to (verb) → an automatic biological urge to do something
Collocations
4 collocationsgut instinct
an immediate feeling about something
natural instinct
an inborn tendency to behave a certain way
survival instinct
the inborn drive to stay alive
trust your instincts
follow your natural feelings about a situation
Example Sentences
12 examples
1
My instinct tells me something isn’t right about this deal, even though the numbers look fine on paper
I have a gut feeling that something is off about this agreement, even though everything appears solid in the documents.
2
I’ve learned over the years to trust my instincts when it comes to hiring people
Experience has taught me to rely on my gut feelings when deciding who to bring into the team.
3
My gut instinct said she was lying, but I had no proof
Deep down I felt she wasn’t telling the truth, but I had nothing concrete to back it up.
4
My first instinct was to argue back, but I took a deep breath and walked away instead
My immediate reaction was to fight my corner, but I paused, collected myself, and left the situation.
5
I knew I should stay quiet, but I went against my instincts and spoke up anyway
I was aware I should keep my mouth shut, but I ignored my gut feeling and said something regardless.
6
She has a natural instinct for design — she can walk into any room and instantly know what needs to change
She has an inborn feel for how spaces should look — she can enter any room and immediately spot what should be different.
7
A great striker needs a killer instinct — the ability to finish chances without hesitation
An outstanding goal scorer needs a ruthless edge — the capacity to convert opportunities without a moment’s doubt.
8
When the car started skidding, I acted on instinct and grabbed the wheel as tightly as I could
When the vehicle began to slide, I reacted automatically and gripped the steering as hard as possible.
9
The mother’s maternal instinct kicked in the moment she heard her baby cry
The mother’s natural protective urge took over the second she heard her child start to wail.
10
Animals in the wild rely on survival instinct to detect danger long before humans would notice anything
Creatures in nature depend on their deep, automatic drive to sense threats well before people would pick up on any warning signs.
Learner Examples
★
A good teacher has an instinct for knowing when a student is confused but too embarrassed to ask for help
A skilled instructor has a natural ability to sense when a learner is lost but too shy to raise their hand and request an explanation.
★
When you reach a certain level in English, your instinct starts guiding you — you can feel that a sentence sounds wrong even before you can explain the grammar rule behind it
Once you get to a particular stage in the language, your gut feeling begins to take over — you can sense that a phrase is incorrect even before you’re able to identify which rule has been broken.
Phrasal Verbs & Idioms
2 items Idioms & Expressionsgut instinct — strong intuitive feeling
My gut instinct told me not to trust that deal.
follow your instincts — trust your natural feelings
When you feel lost, just follow your instincts and keep going.
Synonyms & Antonyms
6 items
Synonymsintuition
gut feeling
impulse
sudden urge
gut feeling
informal, inner sense
natural tendency
built-in behavior
Antonymsreasoning
logical thinking
learned behavior
taught, not natural