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Synonyms
big, consequential, earth-shattering, earthshaking, eventful, historic, important, major, material, meaningful, momentous, monumental, much, significant, substantial, weighty
Antonyms
inconsequential, inconsiderable, insignificant, little, minor, negligible, slight, small, trifling, trivial, unimportant
Recent Examples on the Web
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tectonic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1894, in the meaning defined at sense 1
Late Latin tectonicus, from Greek tektonikos of a builder, from tektōn builder — more at technical
More Definitions for tectonic
tectonic
See the full definition for tectonic in the English Language Learners Dictionary
More from Merriam-Webster on tectonic
Rhyming Dictionary: Words that rhyme with tectonic
Thesaurus: All synonyms and antonyms for tectonic
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