grandfather in

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Related to Grandfathered in: grandfather clause, Grandfather provision

grandfather in

To exempt certain people or businesses from new limitations or restrictions, thus allowing them to continue doing or benefiting from something as they did before. This can be done through the use of a "grandfather clause." A noun or pronoun can be used between "grandfather" and "in." If they change the pension plan, they better grandfather us in!
See also: grandfather
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

grandfather someone or something in

to protect someone or a right through the use of a grandfather clause. My payments were grandfathered in years ago.
See also: grandfather
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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