terrific Synonyms

marvelous fantastic marvellous wondrous grand rattling tremendous brilliant wonderful howling swell supernal superlative superfine well swingeing terrible terrifying tiptop topping utopian superb super sublime primo prodigious rad redoubtable remarkable ripping scenic sensational smashing spectacular splendid splendiferous stellar sterling stunning stupendous powerful whaler ducky unrivalled mind-blowing mind-boggling unbelievable osm out of this world par excellence