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Synonyms

retool

American  
[ree-tool] / riˈtul /

verb (used with object)

  1. to replace or rearrange the tools and machinery of (a factory).

  2. to reorganize or rearrange, usually for the purpose of updating.

    to retool the industrial organization.


verb (used without object)

  1. to replace or rearrange the tools of a factory.

  2. to replace the stamping machinery of a factory, especially to make a remodeled product.

retool British  
/ riːˈtuːl /

verb

  1. to replace, re-equip, or rearrange the tools in (a factory, etc)

  2. to revise or reorganize

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • retoolable adjective

Etymology

Origin of retool

First recorded in 1935–40; re- + tool

Explanation

When you change something by reshaping or altering it, you retool it. A candidate who's doing badly in the polls might try to retool his image before the election. If an elementary school is getting dozens of new students, they may need to retool the classrooms to accommodate everyone. And, when new car models need to incorporate the latest safety features, engineers often have to retool their designs. Another way to use this verb is to mean "equip with new tools." You might, for example, retool your mom's basement workroom as a birthday present.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Another strength of the Chinese is that they are able to retool and refit their refineries much quicker to treat different grades of crude.

From MarketWatch • Apr. 22, 2026

To move production to the U.S., an automaker like GM would often need to retool an existing American factory or build a new plant altogether.

From The Wall Street Journal • Apr. 16, 2026

He said the tariffs "represent a grave danger to a UK car manufacturing sector in transition" as firms retool factories for electric vehicles.

From BBC • Mar. 27, 2025

The U.S. gave American chipmakers significant amounts of capital to innovate and retool for newer semiconductor processes.

From Salon • Dec. 25, 2024

Should an excess of varnish be put on in error, or should it be necessary to retool part of the book after it has been varnished, the varnish can be removed with spirits of wine.

From Bookbinding, and the Care of Books A handbook for Amateurs, Bookbinders & Librarians by Rooke, Noel