spontaneous
gb/spɑntˈeɪniəs/ us/spɑntˈeɪniəs/
B2
영어
~ 8200
spontán, hirtelen ötlettől vezérelt, természetes, magától bekövetkező, önként végbemenő
B2
1
사용 패턴：
a spontaneous [decision/action/reaction/event]
We made a spontaneous decision to drive to the coast for the weekend.
Spontán úgy döntöttünk, hogy a hétvégén elautózunk a tengerpartra.
Her spontaneous trip to Paris surprised all of her friends.
Minden barátját meglepte a spontán párizsi útja.
The crowd broke into spontaneous applause when the band walked on stage.
It was a spontaneous idea that turned into a successful business.
They enjoy making spontaneous plans instead of scheduling everything.
학습자용 예문
We took a spontaneous trip to the beach.
Spontán elmentünk a strandra.
His call was spontaneous; he did not plan it.
A telefonhívása spontán volt; nem tervezte előre.
The children started a spontaneous game in the park.
She bought the dress in a spontaneous moment.
The team had a spontaneous party after the win.
자주 하는 실수：
Learners sometimes confuse "spontaneous" with "instant" or "immediate." "Spontaneous" means not planned or forced; it does not always mean very fast. A spontaneous trip can still take hours; it is the lack of planning that matters.
뜻
unplanned, done on sudden impulse
연어
spontaneous decision
|spontaneous trip
|spontaneous visit
|spontaneous reaction
|spontaneous celebration
|be spontaneous
유의어
impulsive (Focuses more on acting quickly without thinking; can sound slightly critical.)
|
unplanned (Emphasizes lack of planning but not the feeling of sudden desire or enthusiasm.)
|
spur-of-the-moment (Informal; strongly emphasizes being decided very suddenly.)
반의어
planned (Emphasizes that something was arranged in advance.)
|
deliberate (Suggests careful thought and intention, the opposite of acting on sudden impulse.)
주제
daily life
|emotions
|personality
|daily_life
|core_vocabulary
정의
Happening suddenly because someone feels like it, without planning or being told to do it.
Describing an action, decision, or event that happens suddenly and naturally, without prior planning or pressure from others.
B2
2
spontán
B2
természetes
A2
사용 패턴：
a spontaneous [smile/laugh/reaction/personality]
The child’s spontaneous smile made everyone in the room relax.
A gyerek spontán mosolyától a szobában mindenki ellazult.
I like his spontaneous style of speaking; it never sounds scripted.
Szeretem a spontán beszédstílusát; sosem hat előre megírtnak.
Her laughter was so spontaneous that we all started laughing too.
The interview felt more like a spontaneous conversation than a formal meeting.
She comes across as spontaneous and genuine, not like a trained spokesperson.
학습자용 예문
He gave a warm, spontaneous smile.
Kedves, spontán mosolyt villantott.
Her jokes are spontaneous and honest.
A viccei spontánok és őszinték.
The talk was spontaneous, not read from notes.
Children are often spontaneous with their feelings.
The singer’s words sounded very spontaneous.
자주 하는 실수：
Learners sometimes use "spontaneous" only to mean "quick" or "sudden." In this sense, it means natural and not practiced. For example, a "spontaneous smile" is natural, not planned, but it is not about speed.
뜻
natural, unforced, and genuine
연어
spontaneous smile
|spontaneous laughter
|spontaneous applause
|spontaneous personality
|seem spontaneous
|sound spontaneous
유의어
natural (Very close in meaning; slightly broader and can describe appearance, talent, or style in general.)
|
unselfconscious (Emphasizes not worrying about how one looks to others; less common in everyday speech.)
|
uninhibited (Suggests freedom from social rules or shyness; can imply being very bold.)
반의어
forced (Describes behavior or emotion that seems unnatural or insincere.)
|
rehearsed (Suggests something was practiced beforehand and does not feel fresh or natural.)
|
stiff (Describes people or behavior that feels tense, formal, or unnatural.)
주제
emotions
|personality
|communication
|core_vocabulary
정의
Acting or showing feelings in a free, natural way, not stiff, not practiced, and not pretending.
Describing a person, behavior, or emotion that is open, relaxed, and genuine, not controlled or rehearsed.
C1
TECHNICAL
3
spontán
C1
사용 패턴：
spontaneous [bleeding/labor/remission/mutation]
The patient experienced spontaneous bleeding without any recent injury.
A betegnél spontán vérzés jelentkezett, pedig nem érte a közelmúltban sérülés.
Doctors were surprised by the tumor’s spontaneous remission.
Az orvosokat meglepte a daganat spontán remissziója.
She went into spontaneous labor two weeks before her due date.
The condition is thought to result from a spontaneous mutation in a single gene.
Spontaneous miscarriages are sadly more common than many people realize.
학습자용 예문
The doctor said it was a spontaneous miscarriage.
Az orvos azt mondta, hogy spontán vetélés volt.
He had spontaneous bleeding in his stomach.
Spontán vérzés alakult ki a gyomrában.
The cancer went into spontaneous remission.
She had spontaneous labor during the night.
The problem came from a spontaneous change in the gene.
자주 하는 실수：
Learners may think "spontaneous" here means "emotional" or "fun" because of its everyday use. In medical and scientific writing, it is neutral and means that something happens on its own, without a clear outside cause or medical action.
뜻
occurring without external cause
연어
spontaneous bleeding
|spontaneous labor
|spontaneous miscarriage
|spontaneous remission
|spontaneous mutation
유의어
unprovoked (Often used for attacks or events with no clear cause; similar idea of lacking an external trigger.)
|
idiopathic (Medical; means arising from an unknown cause, not simply without a trigger.)
반의어
induced (Emphasizes that the event was brought about deliberately by treatment or external action.)
|
triggered (Suggests something specific caused the event to happen.)
주제
science
|medicine
|health
정의
Happening by itself in the body or in nature, without something else starting it on purpose.
In medical or scientific contexts, describing a process or event that occurs by itself, without an identifiable external trigger, treatment, or deliberate action.
C2
TECHNICAL
4
spontán
C1
사용 패턴：
a spontaneous [reaction/process/change]
Rusting of iron in moist air is a spontaneous reaction.
A vas rozsdásodása nedves levegőn spontán reakció.
The chemist explained that a negative Gibbs free energy indicates a spontaneous process.
A kémikus elmagyarázta, hogy a Gibbs-szabadenergia negatív értéke spontán folyamatot jelez.
Diffusion is a spontaneous mixing process driven by random molecular motion.
Under these conditions, the reaction is not spontaneous and requires constant energy input.
학습자용 예문
The teacher said the reaction is spontaneous at room temperature.
A tanár azt mondta, hogy a reakció szobahőmérsékleten spontán.
Diffusion is a spontaneous process in liquids and gases.
A diffúzió spontán folyamat folyadékokban és gázokban.
A negative value of G means the process is spontaneous.
This change is not spontaneous, so we must add energy.
자주 하는 실수：
Learners sometimes think "spontaneous" in chemistry always means "fast." In thermodynamics, it only means the reaction can happen by itself; it can still be very slow.
뜻
able to occur thermodynamically
연어
spontaneous reaction
|spontaneous process
|spontaneous change
|spontaneous emission
|spontaneous mixing
유의어
thermodynamically favorable (Technical phrase used in scientific texts; more explicit about energy considerations.)
반의어
nonspontaneous (Technical term meaning that a reaction or process cannot proceed on its own under the given conditions.)
주제
science
정의
In science, describing a reaction or change that can happen by itself under certain conditions, without extra energy being added all the time.
In chemistry and physics, describing a process or reaction that can proceed on its own under given conditions because it is thermodynamically favorable, without continuous input of energy.
문법
기본형
spontaneous
IPA
GB/spɑntˈeɪniəs/
US/spɑntˈeɪniəs/
음절 및 강세
spon - tan - eous （3음절）
Stress on 2nd syllable (tan)
활용형
Adjective
- Base: spontaneous
관련 단어
Core family
spontaneously
adverb B2
spontaneity
noun C1
Negative and opposite forms
unspontaneous
adjective
표현
spontaneous abortion
1/spɑntˈeɪniəs əbˈɔɹʃən/
fixed phrase
technical
medically: miscarriage without intervention
In medical language, a pregnancy that ends by itself, not because of a medical operation; often called a miscarriage in everyday speech.
예문
- The report noted that most spontaneous abortions occur in the first trimester.
- She has a history of spontaneous abortion and is being closely monitored in this pregnancy.
- The doctor explained the possible causes of spontaneous abortion.
spontaneous remission
1/spɑntˈeɪniəs ɹimˈɪʃən/
fixed phrase
technical
disease improving without treatment
A medical situation where an illness becomes much better or almost disappears without treatment causing it.
예문
- The cancer entered spontaneous remission, surprising the medical team.
- Spontaneous remission is rare, but it has been documented in some patients.
- Researchers are studying cases of spontaneous remission to understand the immune response.
spontaneous combustion
1/spɑntˈeɪniəs kəmbˈʌst͡ʃən/
fixed phrase
fire starting without ignition source
Burning that starts by itself, without a match, lighter, or other outside flame.
예문
- Oily rags can cause spontaneous combustion if they are left in a closed space.
- The novel opens with a mysterious case of spontaneous combustion in an old house.
- Firefighters suspected spontaneous combustion in the pile of hay.
spontaneous combustion
2/spɑntˈeɪniəs kəmbˈʌst͡ʃən/
fixed phrase
technical
burning that starts by itself
Burning that starts by itself, without a match, flame, or spark from outside.
예문
- Oily rags can cause fires through spontaneous combustion if they are left in a pile.
- The fire was not started by a person; investigators suspect spontaneous combustion of the hay.
- They discussed whether spontaneous combustion of the chemicals was a realistic risk.