Definition of seismic
- seismic social changes
Seismic social changes have occurred.
These 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.
: of, relating to, or caused by an earthquake
: very great or important
What made you want to look up seismic? Please tell us where you read or heard it (including the quote, if possible).
to grant as a privilege or special favor
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