retrofit
verb (used with object)
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.
retrofitted
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past participleof retrofit.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
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past tense formof retrofit.past tense
Used to describe completed actions or previous habitual actions.
retrofitverb (used with object)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.
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.
Waymo, the leader in autonomous ride-hailing, has around 4,000 cars on the road across 14 cities, though it uses retrofitted vehicles with special sensors to enable human-free driving.
From The Wall Street Journal ● Sep. 3, 2026
They lived in makeshift apartments and partied in retrofitted warehouses.
From Salon ● Aug. 30, 2026
"Once that multi-gigawatt power infrastructure has been retrofitted to AI or HPC colocation, there is no turning back," he said.
From BBC ● Aug. 25, 2026
One of Parton’s first forays into purer pop, this single has the stomp and shuffle of funk and could easily be retrofitted into disco DJ sets.
From Los Angeles Times ● Aug. 25, 2026
“I do. To answer yours first...my dad retrofitted my wheelchair so I could run with it.”
From "The Running Dream" by Wendelin Van Draanen
