The AI-powered English dictionary
comparative more seismic, superlative most seismic
Related to, or caused by an earthquake or other vibration of the Earth. examples
(figuratively) Of very large or widespread effect. quotations examples
With Spurs having avoided a seismic Cup upset, Newport's heroic display will be rewarded with a lucrative replay at Wembley.
2018 January 27, Dafydd Pritchard, “Newport 1 - 1 Tottenham Hotspur”, in BBC Sport
But the most seismic change is the shift to being supportive of open access. In practice, most of the industry has collectively opposed this for the past 25 years. The Department for Transport has been particularly hostile, seeing it as little more than cherry-picking.
2023 February 22, Sir Michael Holden, “Comment: A farewell to micro-management”, in RAIL, number 977, page 3
(of a place) Subject to earthquakes examples