instantaneous

adjective4 collocationsAvg. frequency: 7.6
almost instantaneous8.0

Indicates that something happens so quickly it is very nearly immediate.

nearly instantaneous7.5

Similar to 'almost', suggests a very short duration, bordering on immediate.

virtually instantaneous7.2

Emphasizes that for all practical purposes, something is immediate, though a minuscule delay may technically exist.

be instantaneous7.8

Used to describe something that happens or is done immediately, without any delay.