rollback
rollback Lexical Profile
rollback Game Scores & Validity
• noun
A reduction or decrease, especially of prices, wages, or taxes, to a previous lower level.
"The retail chain announced a storewide price rollback on essential household goods."
A reversal of a policy, law, or regulation to a prior state.
"Environmental groups strongly opposed the proposed rollback of clean air standards."
An operation that returns a database, software system, or program to a previously defined state, typically to recover from an error (in computing).
"The system administrator initiated a database rollback after the update caused a critical failure."
Word Nuance & Usage
"Rollback" (one word) is used as a noun or attributive modifier (e.g., "a tax rollback"), whereas "roll back" (two words) is the phrasal verb form (e.g., "to roll back the changes").