The word "Goliath" refers to a very big and powerful person or thing. It is often used to describe someone or something that is seen as unbeatable or intimidating. Full definition
Tech Goliaths like Google and Amazon bank on this kind of data to gain a foothold over consumer intelligence. (technowize.com)
We are re-structuring to compete more effectively against Goliaths who have entered our marketplace since we first launched in 2006, i.e., Amazon, Apple, Google, Sony and Barnes & Noble. (goodereader.com)
This partnership can happen between goliaths in an industry. (thebalancesmb.com)