in‧stan‧ta‧ne‧ous/ˌɪnstənˈteɪniəs◂/ adjective [Word Family: noun: instance, instant; adverb: instantly, instantaneously; adjective: instant, instantaneous] happening immediately: ▪ modern methods of instantaneous communication
—instantaneously adverb
adjective COLLOCATIONS FROM CORPUS ADVERB almost ▪ In the many cases where death is instantaneous or almost instantaneous, there will of course be no award for pain and suffering. ▪ And the effect of this sudden, almostinstantaneous blast of self-recognition? ▪ At Eschede the almostinstantaneous dissipation of kinetic energy was bound to cause massive damage. ▪ Anyone searching the resultant database by means of a computer terminal has almostinstantaneous access to every item in the newspaper. EXAMPLES FROM OTHER ENTRIES ▪ Death from a massive heart attack was almost instantaneous. ▪ Fortunately for him, his death was instantaneous.