Underground puzzle Synonyms

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

Definitions for Puzzle


  • (noun) something hard to understand or explain
  • (verb) to throw into a state of mental uncertainty
  • (verb) be uncertain about; think about without fully understanding or being able to decide