Backup keystone Synonyms

Definitions for Backup

(noun) a crowded mass (as of cars) that impedes or blocks movement
(noun) a person or thing that takes the place of another
(noun) the act of providing approval and support

Synonyms for phrase

substitute anchor

substitute heart

alternate heart

secondary heart

auxiliary support

BK abbreviation

BK is an abbreviation for Backup Keystone

What does BK stand for?

BK stands for "Backup Keystone"

Keystone replaced

backup source

backup support

Definitions for Keystone

(noun) an immaterial thing upon which something else rests
(noun) the central building block at the top of an arch or vault
(noun) a central cohesive source of support and stability