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• rubber stamp
  rubber stamp

  noun

  a device with a rubber printing surface that becomes coated with ink by being pressed on an ink-saturated pad, used for imprinting dates, addresses, standard designations or notices, etc., by hand.
• rubber-stamp
  rubber-stamp

  verb (used with object)

  to imprint with a rubber stamp.

rubber stamp

¹ American  

noun

1. a device with a rubber printing surface that becomes coated with ink by being pressed on an ink-saturated pad, used for imprinting dates, addresses, standard designations or notices, etc., by hand.

2. a person or government agency that gives approval automatically or routinely.

3. such approval.

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rubber-stamp ² American  

[ruhb-er-stamp] / ˈrʌb ərˈstæmp /

verb (used with object)

1. to imprint with a rubber stamp.

2. to give approval automatically or without consideration.

   to rubber-stamp the president's proposals.

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adjective

1. tending to give approval automatically or without due consideration.

   a rubber-stamp Congress that passed all the president's bills.

rubber stamp British  

noun

1. a device used for imprinting dates or commonly used phrases on forms, invoices, etc

2. automatic authorization of a payment, proposal, etc, without challenge

3. a person who makes such automatic authorizations; a cipher or person of little account

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verb

1. to imprint (forms, invoices, etc) with a rubber stamp

2. informal to approve automatically

rubber stamp Idioms  

1. A person or organization that automatically approves or endorses a policy without assessing its merit; also, such an approval or endorsement. For example, The nominating committee is merely a rubber stamp; they approve anyone the chairman names, or The dean gave his rubber stamp to the recommendations of the tenure committee. This metaphoric term alludes to the rubber printing device used to imprint the same words over and over. [Early 1900s]

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Etymology

Origin of rubber stamp¹

First recorded in 1885–90

Origin of rubber-stamp²

First recorded in 1915–20; v. use of rubber stamp

Example Sentences

See Examples For:

rubber stamp rubber-stamp

But they also show the Fed Chair isn’t looking for a group to rubber stamp his views.

From The Wall Street Journal ● Jul. 14, 2026

That would leave only a few formal steps -- a final rubber stamp by member states expected in coming days or weeks, and publication in the EU's official journal -- for it to take effect.

From Barron's ● Jun. 16, 2026

Checks on Andrew's trips were given a "rubber stamp", he recalls, rather than any scrutiny.

From BBC ● Feb. 23, 2026

And it would be a mistake to think Judge Ho will simply act as a rubber stamp.

From Slate ● Feb. 18, 2025

First there came mimeographed letters of commendation, then real letters signed by the Secretary of the Treasury, and not with a rubber stamp either.

From "East of Eden" by John Steinbeck

Ads will invite individuals to speak on the phone with a hired “healthcare professional” who will rubber-stamp a prescription and authorize the compounded medication to be shipped directly to the unwitting patient.

From MarketWatch ● Sep. 17, 2026

But it is far from a rubber-stamp process.

From Salon ● Aug. 10, 2026

He packed oversight commissions with appointees who would rubber-stamp his delusions of grandeur and did the same with the Kennedy Center, whose new board promptly renamed the performing arts venue for him.

From Slate ● May 18, 2026

The law was approved on Thursday as the annual rubber-stamp parliamentary session drew to an end.

From BBC ● Mar. 12, 2026

In Guadalquique the money for all parties was the same, except each party used to rubber-stamp its name across the face.

From Sonnie-Boy's People by James B. (James Brendan) Connolly