Definition

To push or insert something beneath another object or layer, often used in geological contexts to describe the movement of rock masses.

Example

The tectonic plates underthrust each other, causing earthquakes.

Tense Forms

Conversation

Did you see how they underthrust that rock layer in the documentary?

Yeah, it was fascinating to watch how they explained that process.

I never knew that was a technique used in geology.

Me neither! It really shows how complex the Earth’s structure is.

Synonyms & Antonyms

Root Explanation

Underthrust → It is formed from "under-" (meaning beneath) and "thrust" (from Old English "þrustan", meaning to push or shove). The word describes the action of pushing something beneath another object.

Memory Tip

Think of something being 'pushed beneath' ('under-') another object — that's what underthrust means.

Visually Confused Words