instantaneous
Translation
instantaneous, immediate
Examples
The reaction was instantaneous.
The reaction was instantaneous.
Modern communication is almost instantaneous.
Modern communication is almost instantaneous.
Grammar Patterns
be ((...)) to be immediate or happen at once The effect was instantaneous.
Similar Words
Synonyms: immediate, prompt, on-the-spot; Antonyms: delayed, gradual
Etymology
Derived from 'instant' plus the adjective-forming suffix '-aneous', meaning 'of the nature of'.
Memory Tips
This is a more formal or scientific version of 'instant'. Think of a camera flash: an instantaneous burst of light.