tectonic

Of or relating to construction or to architecture.not-comparable

Structural.not-comparable

Of, relating to, or caused by large-scale movements of the Earth's (or a similar planet's) lithosphere.not-comparable

• A boiling hot rock planet with extreme tectonic activity, Parnassus is home to many volcanic mountains. Surface scans reveal several geothermal and solar power stations, tapping the planet's abundant energy.

Momentous, utter, vast.figurativelynot-comparable

• But it would be a mistake to imagine that we are benignly coming full circle, or even that we are finding that the old ways are still the most efficient. A tectonic shift has occurred.