Secret infiltration Synonyms

Secret replaced

Definitions for Secret


  • (adjective) undertaken or done so as to escape being observed or known by others
  • (adjective) working on missions in which one's objectives, activities, or true identity are not publicly revealed
  • (adjective) screened or sequestered from view

Synonyms for phrase

SI abbreviation

SI is an abbreviation for Secret Infiltration
What does SI stand for?
SI stands for "Secret Infiltration"

Infiltration replaced

Definitions for Infiltration


  • (noun) a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection )
  • (noun) the slow passage of a liquid through a filtering medium