Synonyms
Antonyms

1. subterraneous

adjective. being or operating under the surface of the earth.

Synonyms

  • subterranean

Antonyms

  • surface
  • unconcealed

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2. subterraneous

adjective. lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed).

Synonyms

  • covert
  • subterranean

Antonyms

  • antecedent
  • close
  • visible
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