retrofit

[ verb re-troh-fit, re-troh-fit; noun adjective re-troh-fit ]

verb (used with object)

, ret·ro·fit·ted or ret·ro·fit, ret·ro·fit·ting.

1. to modify equipment (in airplanes, automobiles, a factory, etc.) that is already in service using parts developed or made available after the time of original manufacture.
2. to install, fit, or adapt (a device or system) for use with something older:

   to retrofit solar heating to a poorly insulated house.

verb (used without object)

, ret·ro·fit·ted or ret·ro·fit, ret·ro·fit·ting.

1. (of new or modified parts, equipment, etc.) to fit into or onto existing equipment.
2. to replace existing parts, equipment, etc., with updated parts or systems.

noun

1. something that has been retrofitted.
2. an instance of updating, enlarging, etc., with new or modified equipment:

   A retrofit could save thousands of dollars.

adjective

1. being or characterized by a retrofit:

   retrofit units.

retrofit

/ ˈrɛtrəʊˌfɪt /

verb

1. tr to equip (a vehicle, piece of equipment, etc) with new parts, safety devices, etc, after manufacture

Other Words From

• retro·fitta·ble adjective

Word History and Origins

Origin of retrofit¹

retro- + fit ¹

Example Sentences

Tome says there aren’t current plans to retrofit existing consumer cars with the technology.

From Washington Post

It warned other elevator companies about the danger, retrofitted some of its elevators and pushed for new industry safety standards.

From Washington Post

JaMarcus put up a front as he lost control of his body, which was retrofitted to be plugged into the machines.

From ProPublica

While Walmart’s vehicles are Ford vans retrofitted with autonomous driving tech, the Loblaw fleet will consist of larger, refrigerated box trucks.

From Fortune

Until Silver Spring, Bradyl had only retrofitted storage space in existing buildings.

From Washington Post

Portland, Oregon, surprisingly late to the party, is launching a retrofit this year.

From The Daily Beast

Intelligent adaptors and switches that would retrofit energy-based devices at home so they can communicate with smart meters.

From The Daily Beast

Related Words

• backfit