gigantic• These giganticcreatures became extinct in the Jurassic period.• Once upon a time, Triton had been a giganticdeity, ruling the deepocean of the unknown.• The house was lit like a Christmas tree and shaped like a giganticigloo.• This alarm sounds like a gigantic pencil-sharpener grinding up something awful.• Just two seats, an engine and a gigantic price tag of £35,000.• Dotty herself was in the garden, a strawhat of giganticproportionscrowning her untidythatch of hair.• a giganticstatue of Buddha• Nowhere else in a country involved in a gigantic war effort could one have found that kind of power to spare.• Gigantic waves more than 40 feet high crashed against the boat.