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instantaneous

instantaneous

35 5.1
Happening right away without any delay
  • adjective
  • /ˌɪn.stənˈteɪ.ni.əs/
translation icon : instantáneo
  • The new software allows for instantaneous data updates, enabling users to see changes right away.
  • instantaneous communication
  • almost instantaneous
  • virtually instantaneous

So it's not instantaneous, but it's not too long to wait.

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Examples

  • Once the measurement button has been pressed, an instantaneous signal goes back to the computer.

  • So this here, this side of the equation is our instantaneous rate of change.

  • So it's not instantaneous, but it's not too long to wait.

  • Should I go forward making these instantaneous decisions?

  • OK, it's not instantaneous, but it's closer than you think.

  • However, it turns out that this kind of instantaneous change is relatively harmless.

  • The illness must be incurable, the cure must be instantaneous and the cure must be complete.

  • Robert joined QuestLabs a year later, and her reaction to him was instantaneous and profound.

    Fiction book (2000)
  • Basically, we're folding space in a higher dimension to create an instantaneous link between two distant points.

  • In order to participate in instantaneous worldwide crisis management, professional soldiers are deemed indispensable.

    Academic text (1997)

Synonyms

immediate
vsinstantaneous
570 1.3

Happening at once without any delay

is the exact emphasis on no delay rather than general speed
rapid
vsinstantaneous
295 1.3

Happening very quickly

means happening with no delay rather than prolonged high speed
instant
vsinstantaneous
233 2.0

Happening right away and needing action now

is the identical idea of happening with no delay
quick
vsinstantaneous
  • Informal
130 1.0

Happening or done without any delay

stresses immediate occurrence without the informal tone
speedy
vsinstantaneous
70 1.8

Moving or happening very quickly with little delay

highlights absence of delay rather than general fast movement
lightning-quick
vsinstantaneous
2 4.2

Happens almost instantly

focuses on happening with no delay rather than extreme speed

Antonyms

75 3.0

Happening slowly and steadily, not suddenly

1 1.3

Slower than usual in development or learning

Compounds

The pressure of sound at one moment at a point

How Immediate

instantaneous
35 5.1
prompt
28 3.4
delayed
1 1.3

Surface Forms

instantaneous positive

Morphology

instantaneous = instant (transparent) = instant + aneous

The adjective is built directly from 'instant' with a standard adjectival suffix, and the meaning 'happening in an instant' is easy to infer.

Etymology

Instantaneous comes from the shorter word instant, which means 'at that moment'. Instant comes from Latin parts in- 'on' and stare 'to stand', so picture something that 'stands on' the moment and happens right away. That's why instantaneous means 'without delay'.