instantaneous /in-stənt-āˈni-əs/ adjective

1. Done in an instant
2. Momentary
3. Occurring or acting at once or very quickly
4. For the instant
5. At a particular instant

instantānˈeously adverb

instantānˈeousness noun

instanˈter adverb (law)

Without delay

instantial /in-stanˈshl/ adjective (rare)

instanˈtiate transitive verb

To be or provide an example of

instantiāˈtion noun

inˈstantly adverb

1. At once
2. At this very time (Shakespeare)
3. Importunately, zealously (Bible)

inˈstants plural noun

Scratchcards (affording instant awareness of success if any) forming part of the National Lottery system

instant messaging noun

A process for exchanging electronic messages on the Internet using a computer or mobile phone (abbrev IM)

instant photography noun

A system which rapidly produces, sometimes by processing within an instant camera, a positive picture from the original exposed material

instant replay noun

Action replay

at the instance of

At the urging or request of

court of first instance

A lower court in which a legal case is first heard, whose decision may be appealable to a higher court

for instance

As an example

in the first instance

Firstly, originally

on the instant

Immediately

this instant

Immediately