Highest linchpin Synonyms

Definitions for Highest

(adjective) being at a point or level higher than all others
(adjective) coming before all others in importance

Synonyms for phrase

HL abbreviation

HL is an abbreviation for Highest Linchpin

What does HL stand for?

HL stands for "Highest Linchpin"

Linchpin replaced

highest strength

highest principle

highest essence

Definitions for Linchpin

(noun) a central cohesive source of support and stability
(noun) pin inserted through an axletree to hold a wheel on