Particular keystone Synonyms

Definitions for Particular


  • (adjective) hard to please
  • (adjective) of, relating to, or belonging to a single person
  • (adjective) tending to select carefully

Synonyms for phrase

PK abbreviation

PK is an abbreviation for Particular Keystone
What does PK stand for?
PK stands for "Particular Keystone"

Keystone replaced

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