Meaning

adjective very great or intense

adjective extraordinarily good or great ; used especially as intensifiers

adjective causing extreme terror

originEtymology tree Proto-Indo-European *tres- Proto-Indo-European *-yeti Proto-Indo-European *-éyeti Proto-Indo-European *troséyeti Proto-Italic *trozeō Latin terreō Proto-Indo-European *dʰeh₁-der. Proto-Italic *θakos Proto-Italic *-fakos Latin -ficus Latin terrificusder. French terrifiqueder. English terrific From French terrifique, and its source, Latin terrificus (“terrifying”), from terrēre (“to…

Etymology from Wiktionary, CC BY-SA 3.0