colossus
n. countablen. a person or thing that is extremely large, powerful, or influential. It often describes someone who is much more important than everyone else in their field.
n. a person or thing of enormous size, importance, or ability. Often used metaphorically to describe a dominant figure who overshadows contemporaries.
The famous scientist was a colossus in the world of physics.
The tech giant stands as a colossus over the industry, controlling nearly half of the global market share.
In the history of nineteenth-century literature, he remains a colossus whose stylistic innovations continue to influence modern prose and poetry across multiple languages.
From Latin colossus, from Ancient Greek κολοσσός (kolossós, “large statue, especially the colossus of Rhodes”), from an unknown Pre-Greek etymon (and erroneously associated with κολοφών).
The plural form is either 'colossi' or 'colossuses'.