Fast sonic 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 Sonic
What does FS stand for?
FS stands for "Fast Sonic"

Sonic replaced

Definitions for Sonic


  • (adjective) (of speed) having or caused by speed approximately equal to that of sound in air at sea level
  • (adjective) relating to audible sound