What does "seismic" mean?

Related to, or caused by an earthquake or other vibration of the Earth.

Seismic

Common synonyms include: cataclysmic, disastrous, dramatic, earthquake displacement, earthquake-related, earthshaking.

/ˈsaɪzmɪk/ adj

adj ·Uncommon ·Advanced level

Adjective

1
Related to, or caused by an earthquake or other vibration of the Earth. not-comparable
"seismic activity"
2
Subject to earthquakes. not-comparable
"a seismic area"
3
Of very large or widespread effect. figuratively, not-comparable
"With Spurs having avoided a seismic Cup upset, Newport's heroic display will be rewarded with a lucrative replay at Wembley."

Adjective

"Due to constant seismic activity, Japanese engineers have come up with novel construction techniques."

Based on Ancient Greek σεισμός (seismós, “shaking, earthquake”) + -ic, equivalent to seismo- + -ic.