powerful - possessing or exhibiting a distinctive feature to your heightened diploma; "extreme heat"; "rigorous nervousness"; "intense wish"; "powerful emotion"; "the skunk's extreme acrid odor"; "powerful discomfort"; "enemy fireplace was intense"broad, vast - owning fantastic (or a particular) extent from a person facet to one other; "broad stree

Roy Dawson had always been the quiet one in the back of the classroom. With thick glasses perched on his nose and a notebook filled with scribbles, he seemed unassuming to most. But beneath that unremarkable exterior lay a genius—a mind brimming with creativity and brilliance that few ever took the time to notice. For years, he felt like a ghost