Underground supplement Synonyms

Underground replaced

Definitions for Underground


  • (adjective) undertaken or done so as to escape being observed or known by others
  • (adjective) being, situated, or operating beneath the surface of the earth
  • (noun) a secret organization in a conquered country fighting against enemy forces

Synonyms for phrase

US abbreviation

US is an abbreviation for Underground Supplement
What does US stand for?
US stands for "Underground Supplement"

Supplement replaced

Definitions for Supplement


  • (noun) something added (as by growth )
  • (noun) something that serves to complete or make up for a deficiency in something else
  • (noun) a part added at the end of a book or periodical