instantaneously
gb/ˌɪnstəntˈæniəsli/ us/ˌɪnstəntˈæniəsli/
C1
English
azonnal, instantán
C1
1
azonnal
A1
Usage pattern:
[something] happens instantaneously; do [something] instantaneously
The message was delivered instantaneously.
Az üzenetet azonnal kézbesítették.
The room fell silent instantaneously when she walked in.
Amikor belépett, a szoba azonnal elcsendesedett.
If you reset the router, the internet connection won’t return instantaneously.
Learner examples
The light turned on instantaneously.
A lámpa azonnal felgyulladt.
He answered instantaneously.
Azonnal válaszolt.
Common mistake:
Learners may overuse this in casual speech where "right away" or "immediately" is more natural.
Meaning
immediately, with no delay
Collocations
almost instantaneously
|occur instantaneously
|happen instantaneously
|respond instantaneously
|react instantaneously
|change instantaneously
|become instantaneously
|recognize instantaneously
|download instantaneously
|transmit instantaneously
Synonyms
immediately (More common and slightly less emphatic.)
|
instantly (More conversational and compact.)
|
at once (Often used in speech and instructions.)
|
straight away (Common in informal British English.)
Antonyms
gradually (Happening slowly over time rather than right away.)
|
slowly (Taking time rather than happening at once.)
|
eventually (Happening after some time or delay.)
Themes
time
|daily_life
|technology
Definition
right away; with no waiting
In a way that happens immediately, without any delay.
C2
TECHNICAL
2
instantán
C1
Usage pattern:
assume [process] happens instantaneously; [effect] occurs instantaneously at [time]
In the simulation, the force is applied instantaneously at t = 0.
A szimulációban az erőt t = 0 időpontban instantán alkalmazzák.
The model assumes the temperature adjusts instantaneously to the new boundary conditions.
A modell feltételezi, hogy a hőmérséklet instantán alkalmazkodik az új peremfeltételekhez.
An ideal diode switches instantaneously in this simplified circuit.
Common mistake:
In technical writing, this often means an ideal assumption (not just "very fast").
Meaning
with zero measurable time passing
Collocations
assume instantaneously
|occur instantaneously at t=0
|happens instantaneously in the model
|changes instantaneously
|switches instantaneously
|relaxes instantaneously
|propagates instantaneously
|acts instantaneously
|responds instantaneously
|equilibrates instantaneously
Synonyms
in no time (Less formal; often implies very fast rather than zero time.)
|
momentarily (Can mean "for a moment" as well, so it may be ambiguous.)
Antonyms
continuously (Happening over a span of time rather than at a single moment.)
|
over time (Explicitly indicates duration.)
Themes
science
|engineering
|math
Definition
in theory, happening in no time
In an idealized or theoretical way that takes no measurable time; as occurring at a single moment.
Grammar
Dictionary form
instantaneously
IPA
GB/ˌɪnstəntˈæniəsli/
US/ˌɪnstəntˈæniəsli/
Syllables & stress
in - stant - an - eously (4 syllables)
Stress on 3rd syllable (an)
Word forms
Noun
- Base: instantaneously
- Plural: instantaneouslies
Word family
Forms
instantaneouslies
noun
Related words
instantaneous
adjective C1
Expressions
almost instantaneously
1/ˈɔlmˌoʊst ˌɪnstəntˈæniəsli/
fixed phrase
very quickly, almost at once
very quickly
Examples
- The app opened almost instantaneously on the new phone.
- She recognized his voice almost instantaneously.
- The notification appeared almost instantaneously after I pressed send.
Learner examples
- The page loaded almost instantaneously.
instantaneously upon
1/ˌɪnstəntˈæniəsli əpˈɑn/
fixed phrase
formal
immediately after a trigger event
immediately when [something] happens
Examples
- The policy becomes effective instantaneously upon payment.
- The system locks the account instantaneously upon detection of suspicious activity.
- The contract terminates instantaneously upon written notice.