English Reference
Idiom idiom

seismic shift


A fundamental reorientation of a state of affairs.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

The new law caused a seismic shift in how we work.

CONTEXTUAL

The invention of the internet created a seismic shift in how people communicate and share information globally.

COMPLEX

The sudden collapse of the national economy triggered a seismic shift in the political landscape, forcing leaders to rethink their long-term strategies.


Derived from the geological observation of massive earthquakes, the phrase functions as an allusion to the drastic and permanent alterations to a landscape caused by tectonic movement.


Related idioms3entries
  1. 01

    put a shift in

    To work hard; to make an effort

  2. 02

    shift gears

    To change pace or mode of operation.

  3. 03

    shift the dial

    To make a significant change or impact in a particular situation or context.

Last updated August 10, 2026