1. (

• 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" ;

2. (

• improbable ,
• marvelous ,
• marvellous ,
• tall

) too improbable to admit of belief; "a tall story" ;

3. (

• marvelous ,
• marvellous ,
• miraculous

) being or having the character of a miracle ;