Fast sirens Synonyms

Fast replaced

Definitions for Fast


  • (adjective) moving, proceeding, or acting with great speed
  • (adjective) firm in one's allegiance to someone or something
  • (adjective) firmly positioned in place and difficult to dislodge

Synonyms for phrase

FS abbreviation

FS is an abbreviation for Fast Sirens
What does FS stand for?
FS stands for "Fast Sirens"

Sirens replaced