Principal barrier Synonyms

Principal replaced

Definitions for Principal


  • (adjective) coming before all others in importance
  • (adjective) highest in rank or authority
  • (noun) the person who has the most important role in a play, movie , or TV show

Synonyms for phrase

PB abbreviation

PB is an abbreviation for Principal Barrier
What does PB stand for?
PB stands for "Principal Barrier"

Barrier replaced

Definitions for Barrier


  • (noun) a physical object that blocks the way
  • (noun) a structure or object that impedes free movement
  • (noun) anything serving to maintain separation by obstructing vision or access