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rubber stamp

  1. a stamp () made of rubber, pressed on an inking pad and used for printing signatures, dates, emblems, etc.
  2. Informal
    1. a person, bureau, legislature, etc. that approves or endorses something in a routine manner, without thought
    2. any routine approval

transitive verb

  1. to put the impression of a rubber stamp on
  2. Informal to approve or endorse in a routine manner, without thought

adjective

routinely approved or approving

See rubber stamp in American Heritage Dictionary 4

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