triple lock
noun1
Business, Finance UK A policy whereby the state pension is increased every year to match either price inflation, earnings growth, or a third fixed rate, whichever is highest.
- He refused to rule out changes to the pensions triple lock and said a new windfall tax on energy profits was on the table.2022 October 17, “Jeremy Hunt shreds Truss’s economic plans in astounding U-turn on tax”, in The Guardian: