Definition of instant
                                                                                                    
                                                                            (adj) 
                                                                                                                                                         occurring with no delay; "relief was instantaneous"; "instant gratification"
                                                                        
                                                                    
                                                                    
                                                                                                                 demanding attention; "clamant needs"; "a 
crying need"; "regarded 
literary questions as exigent and momentous"- H.L.Mencken; "insistent hunger"; "an 
instant need"