Meaning & use
Seismic
Last updated
Relating to earthquakes or other vibrations of the earth; also, figuratively, of great magnitude or significance.
See it in a sentence
Engineers designed the bridge to withstand seismic activity.
The election results triggered a seismic shift in the country's politics.
A note on using this word
From Greek seismos ("earthquake"), the figurative sense of "seismic"—describing sweeping change—has become extremely common in journalism and politics.
Words with a similar meaning
earthquake-relatedmomentous
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Words with an opposite meaning
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