Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary    
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
  Show Word Combinations
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
instantaneous

in·stan·ta·ne·ous

instantaneous

 
pronunciation:
In stn teI ni s
part of speech: adjective
definition: happening or done immediately or at the same instant.
Their response was instantaneous.
See a movie for this meaning
 
synonyms:
immediate, instant, split-second
similar words:
fast, prompt, quick, rapid, speedy, swift
derivations: instantaneously (adv.), instantaneousness (n.)