Main Entry: jug·ger·naut

Pronunciation: \ˈjə-gər-ˌnȯt, -ˌnät\

Function: noun

Etymology: Hindi Jagannāth, literally, lord of the world, title of Vishnu

Date: 1841

1 chiefly British : a large heavy truck
2 : a massive inexorable force, campaign, movement, or object that crushes whatever is in its path <an advertising juggernaut> <a political juggernaut>