Synonyms of tectonic

tectonic

adjective

tek-ˈtä-nik 

as in major

having great meaning or lasting effect

a tectonic shift in societal trends occurred in the 1960s

Synonyms & Similar Words

• major
• significant
• historic
• important
• big
• substantial
• monumental
• momentous
• meaningful
• consequential
• exceptional
• much
• pivotal
• earthshaking
• strategic
• material
• eventful
• distinguished
• decisive
• earth-shattering
• weighty
• remarkable
• distinctive
• serious
• outstanding
• seminal
• notable
• prominent
• noteworthy
• great
• fatal
• crucial
• worthy
• fateful
• impressive
• valuable
• key
• earnest
• eminent
• famous
• central
• grave
• critical
• worthwhile
• heavy
• sincere
• prestigious
• illustrious
• essential
• all-important
• renowned
• notorious
• vital
• noble
• preeminent

Antonyms & Near Antonyms

• small
• minor
• slight
• insignificant
• unimportant
• trivial
• little
• negligible
• inconsequential
• inconsiderable
• trifling
• petty
• worthless
• unknown
• obscure
• paltry
• anonymous
• nameless
• uncelebrated

Example Sentences

Recent Examples of tectonic

Bucharest sits close to the Vrancea seismic zone, where the Eurasian tectonic plate slides beneath another in a way that can produce powerful earthquakes that are felt as far as Istanbul, Kyiv or even Moscow. — Andrei Popoviciu, The Dial, 21 July 2026

Being in the center of a tectonic plate, an earthquake in Illinois will radiate a lot farther than one by a boundary, Bauer said. — Tess Kenny, Chicago Tribune, 10 July 2026

These areas of tectonic boundaries where the new crust forms are at ocean depths that humans cannot safely explore. — Ameya Paleja, Interesting Engineering, 9 July 2026

The other striking thing is that some of the events occurred without an obvious indication of tectonic signals picked up by the hydrophones present. — John Timmer, ArsTechnica, 8 July 2026