Subterranean immaterial Synonyms

Definitions for Subterranean


  • (adjective) being, situated, or operating beneath the surface of the earth
  • (adjective) being or operating under the surface of the earth
  • (adjective) lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed )

Synonyms for phrase

SI abbreviation

SI is an abbreviation for Subterranean Immaterial
What does SI stand for?
SI stands for "Subterranean Immaterial"

Definitions for Immaterial


  • (adjective) not composed of matter
  • (adjective) not having anything to do with the matter at hand
  • (adjective) (often followed by `to') lacking importance; not mattering one way or the other