Fast block Synonyms

Fast replaced

permanent block

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

FB abbreviation

FB is an abbreviation for Fast Block

What does FB stand for?

FB stands for "Fast Block"

Block replaced

Definitions for Block

(noun) a number of things considered as a unit
(noun) something that makes movement or progress difficult
(noun) a group of people acting together within a larger group