roll back

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Definitions from WordNet

Noun roll back has 2 senses

rollback, push back - the act of forcing the enemy to withdraw
--₁ is a kind of offense, offence, offensive
rollback - reducing prices back to some earlier level
--₂ is a kind of decrease, diminution, reduction, step-down

Definitions from the Web

Term: Roll Back

Description:

Roll back is a phrasal verb that can be used as a noun or a verb and refers to the act of reversing or undoing something, often in relation to policies, decisions, or actions. It is commonly used in the context of politics, technology, and finance.

Senses:

As a noun: the act of reversing or undoing a policy, decision, or action.
As a verb: to reverse or undo a policy, decision, or action.

Examples:

Noun:

The government's roll back of environmental regulations was met with mixed reactions from the public.
The roll back of the company's benefits package resulted in employee dissatisfaction.

Verb:

The new administration promised to roll back the tax increase implemented by the previous government.
Due to a security breach, the company decided to roll back the recent software update.