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

Panama is located near the intersection of several major tectonic plates. — Adam Kovac, Scientific American, 9 Oct. 2026

Russia’s exquisite air defenses and geographic depth made no difference, and images of burning Russian bombers finally settled the debate as to whether drones are a tactical aberration or a tectonic shift in geopolitical power. — Dan Driscoll, Foreign Affairs, 28 Sep. 2026

The mountains of western North Carolina sit in the middle of the North American tectonic plate, according to the Center for Earthquake Research and Information at the University of Memphis. — Mark Price, Charlotte Observer, 23 Sep. 2026

Mountains made tall by millions of years of violent, tectonic conflict. — Supriya Lopez Pillai, Forbes.com, 15 Sep. 2026