1. (

• enormous ,
• tremendous

) extraordinarily large in size or extent or amount or power or degree; "an enormous boulder"; "enormous expenses"; "tremendous sweeping plains"; "a tremendous fact in human experience; that a whole civilization should be dependent on technology"- Walter Lippman; "a plane took off with a tremendous noise" ;

2. (

• fantastic ,
• grand ,
• howling ,
• marvelous ,
• marvellous ,
• rattling ,
• terrific ,
• tremendous ,
• wonderful ,
• wondrous

) extraordinarily good or great; used especially as intensifiers; "a fantastic trip to the Orient"; "the film was fantastic!"; "a howling success"; "a marvelous collection of rare books"; "had a rattling conversation about politics"; "a tremendous achievement" ;

3. (

• frightful ,
• terrible ,
• awful ,
• tremendous ,

) extreme in degree or extent or amount or impact; "in a frightful hurry"; "spent a frightful amount of money" ;