Synonyms and Antonyms for upper-carboniferous

1. Upper Carboniferous (n.)

from 310 million to 280 million years ago; warm climate; swampy land

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2. carboniferous (adj.)

of or relating to the Carboniferous geologic era

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3. carboniferous (adj.)

relating to or consisting of or yielding carbon

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5. upper-level (adj.)

at an elevated level in rank or importance

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6. upper (adj.)

higher in place or position

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7. upper (adj.)

superior in rank or accomplishment

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8. upper (adj.)

the topmost one of two

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10. upper (n.)

piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot

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