Definition of seismic shift
- The discovery caused a seismic shift in public attitudes.
: of, subject to, or caused by an earthquake
: of or relating to a vibration on a celestial body (such as the moon) comparable to a seismic event on earth
: having a strong or widespread impact : earthshaking
: to exchange for or replace by another : change
: to change the place, position, or direction of : move
: to make a change in (place)
: a means or device for effecting an end
: a deceitful or underhand scheme : dodge
: an effort or expedient exerted or tried in difficult circumstances : extremity
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