From Longman Dictionary of Contemporary Englishterrificter‧rif‧ic /təˈrɪfɪk/  ●●○ adjective  1 informalGOOD/EXCELLENT very good, especially in a way that makes you feel happy and excited SYN great That’s a terrific idea! The actress who played the lawyer was terrific.► see thesaurus at  good2 VERYvery large in size or degree a terrific bang He drank a terrific amount of beer.
                                                    
                                                Examples from the Corpus
terrific• Your dress looks terrific!• Quantities of leg and headroom are generous, rearward seat travel in particular, and all-round vision is terrific.• a terrific crisis• Your Mr Bernard is, by the by, even if unwell, a terrific fellow.• A terrific industrial upheaval at the present moment might be dangerous from the standpoint of a democratic People's Peace.• This terrific park is worth the trip.• Geidt and Jack Willis, who plays the other son, are terrific throughout.• After a rough start, he racked up a terrific year in 1996.Origin terrific (1600-1700) Latin terrificus “frightening”, from terrere;  → TERRIBLE 
