seismic
adjective
seis·mic
| \ ˈsīz-mik
, ˈsīs-\
, ˈsīs-\
Definition of seismic
1
: of, subject to, or caused by an earthquake
also
: of or relating to an earth vibration caused by something else (such as an explosion or the impact of a meteorite)
2
: of or relating to a vibration on a celestial body (such as the moon) comparable to a seismic event on earth
3
: having a strong or widespread impact : earthshaking
seismic social changes
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Other Words from seismic
seismically
\ ˈsīz-mi-k(ə-)lē
\
adverb
\
adverb
Examples of seismic in a Sentence
Seismic social changes have occurred.
Recent Examples on the Web
The collapse registered on seismic monitors as far away as Bergen and Trondheim, according to the Norwegian National Seismic Network, an earthquake service center managed by the University of Bergen. — BostonGlobe.com, "A Mountain top called ‘Little Man’ falls in Norway, and residents weep," 7 Sep. 2019 Others were seismic detectors, attuned to minute vibrations in the ground. — The Economist, "Artificial intelligence is changing every aspect of war," 7 Sep. 2019 The bridge also meets the latest seismic criteria and was built using pavement designed to limit noise for the surrounding neighborhood, according to project officials. — Daily Pilot, "Talbert Avenue bridge over 405 Freeway to be demolished starting this weekend," 5 Sep. 2019 But few examples of its seismic effect on Westminster could be more profound than an extraordinary sacking made on Tuesday evening. — Rob Picheta, CNN, "Winston Churchill's grandson expelled from Conservative Party by Boris Johnson in wake of Brexit crisis," 4 Sep. 2019 After an 18-month seismic retrofitting and renovation of his Italian restaurant, Pino Spanu is back in business in downtown Campbell. — Linda Zavoral, The Mercury News, "Campbell’s Pino’s restaurant reopens as Trattoria 360," 3 Sep. 2019 That fault unleashed the 1933 Long Beach earthquake, which killed 120 people and prompted some of the state’s first seismic building regulations. — Deborah Netburn, Los Angeles Times, "Earthquake fault long thought dormant could devastate Los Angeles, researchers say," 31 Aug. 2019 Mere months separate elementary from middle school, but the shift can seem seismic. — Phyllis Fagell, Washington Post, "Five ways parents can help their kids transition smoothly to middle school," 30 Aug. 2019 The seismic challenges of building a consistent football contender at the league’s flagship basketball school in a state with a traditionally weak recruiting base have not disappeared. — Jon Hale, The Courier-Journal, "Still doubt Kentucky football after its 2018 season? They're working to prove you wrong," 23 Aug. 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seismic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for seismic
seismic
adjective
English Language Learners Definition of seismic
technical
: of, relating to, or caused by an earthquake
: very great or important
See the full definition for seismic in the English Language Learners Dictionary