ˌrubber-ˈstamp BrE AmE verb [transitive]
to give official approval to something without really thinking about it – used to show disapproval:
The committee has already rubber-stamped the scheme.
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THESAURUS
▪ approve to officially accept a plan, proposal etc:
The Medical Research Council has approved the use of a new drug for breast cancer.
▪ pass to approve a law or proposal, especially by voting:
Many anti-smoking laws have been passed.
▪ ratify to make a written agreement official by signing it:
The treaty was ratified by the Senate in 1988.
▪ rubber-stamp to approve something without really thinking about it – used to show disapproval:
Parliament merely rubber-stamped the president’s decisions.