Student or Learner
Does "on the grandest scale" in the sentence below mean having the highest mark of a scale?
Suspense-filled adventure, sword-clashing action, mystery, humor, unforgettable characters and never-before seen special effects make Pirates of the Caribbean a must-have movie on the grandest scale ever.
Anthony the learner
When something is done 'on a grand scale', the scale of its being done is huge/vast/immense... er, grand. If something's 'on the grandest scale' it's just bigger/more impressive than anything that's ever been seen before - typical self-deprecating understatement (caveat emptor: me, I don't buy it. )