seismic

[sahyz-mik, sahys-] / ˈsaɪz mɪk, ˈsaɪs- /

ADJECTIVE

pertaining to an earthquake or event within the earth's crust

Synonyms

STRONGEST

basaltic tectonic

STRONG

quaky quivering tremorous tremulous vibrational

WEAK

earthshattering groundbreaking profound tumultuous

Antonyms

STRONGEST

ethereal insubstantial subtle vaporous

STRONG

constant fixed motionless placid solid unchanging

WEAK

frivolous inconsequential insignificant superficial trivial

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These may include increased seismic activity, deformation of the ground, and changes in volcanic gas emissions or composition.

From Science Daily

Nepal's historic election has delivered a seismic result.

From BBC

The team combined seismic imaging, microscopic analysis of rock fragments, and computer modeling to produce the clearest evidence yet that Silverpit is one of Earth's rare impact craters.

From Science Daily

There's no sign of that kind of seismic shift now, especially not in these perilous unpredictable days.

From BBC

While England had made heavy weather of building a lead, they seemed well insulated against such a seismic shock with an 18-10 advantage and a little more than 20 minutes left.

From BBC