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

The shifts that occur, not just in time but in physical space, are linked to the tectonic movement in the play’s emotional ground. — Theater Critic, Los Angeles Times, 9 Sep. 2026

Biting into it feels tectonic, cracking and flaking and crumbling, the gravity of umami keeping it all together. — The Bon Appétit Staff, Bon Appetit Magazine, 24 Aug. 2026

Around 35 million years ago, the Arabian tectonic plate began colliding with its Eurasian counterpart. — Tim Lister, CNN Money, 23 Aug. 2026

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