carboniferous
0 antonyms and opposites of carboniferous, grouped by meaning.
Adj — Of a geologic period within the Paleozoic era; comprises the lower, middle and upper Mississippian and lower, middle and upper Pennsylvanian epochs from about 345 to 280 million years ago, when coal was laid down.
We haven't recorded synonyms for carboniferous yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
From carboniferous (“producing carbon”), from carbon + -i- + -ferous.
Full origin of carboniferous →