The phrase "emphatic performance" refers to a passionate and powerful display or presentation, where someone puts forth a lot of effort, intensity, and conviction in their actions or expressions. Full definition
That result for Arsenal was the latest in a long line of emphatic performances from English clubs on the continent, and the panel examine whether the Premier League is now the dominant force in Europe. (skysports.com)
But the 1996 Emma seems to take itself dreadfully seriously, even as the actors are giving broad, emphatic performances underlined with bombastic music cues and a lunging camera. (thedissolve.com)
Her passion and earnestness bleed from the screen, as we are swept up into her subtle yet completely emphatic performance. (awardscircuit.com)