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

Earth-like tectonic earthquakes are not expected to be common on some other planets and moons, but atmospheric disturbances may still be present. — Nolan Roth, Scientific American, 23 Aug. 2026

The mountains of western North Carolina sit in the middle of the North American tectonic plate rather than along its volatile fault lines, according to the Center for Earthquake Research and Information at the University of Memphis. — Mark Price, Charlotte Observer, 23 Aug. 2026

Scientists have previously linked this missing rock record to several processes, including tectonic activity associated with supercontinent cycles and ancient glaciation. — Kaif Shaikh, Interesting Engineering, 21 Aug. 2026

According to most people who work in that world, few Americans are ready for the tectonic shifts that are coming over the next decade. — Eben Novy-Williams, Sportico.com, 17 Aug. 2026