colossus

1. (by extension) Any creature or thing of gigantic size.Examples: "["]The Empire has always been a realm of colossal resources. […] Why, they don't even understand their own colossi any longer. The machines work from generation to generation automatically, and the caretakers are a hereditary caste who would be helpless if a single D-tube in all that vast structure burnt out.["]"; "What I love about the colossi is that they actually feel colossal : they move ponderously around, sending out tremours with each step; their ancient husks richly detailed with dirt and plant life."broadly

2. (figurative) Somebody or something very greatly admired and respected.Examples: "The truth is that [Isaac] Newton was very much a product of his time. The colossus of science was not the first king of reason, [John Maynard] Keynes wrote after reading Newton’s unpublished manuscripts. Instead “he was the last of the magicians”."figuratively