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.
"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
Dahlia and Mark discuss what happens when popular constitutionalism is retrofitted as originalism, and why no constitutional win, no matter how popular, is ever truly permanent.
From Slate ● Aug. 1, 2026
Alphabet-owned Waymo uses cars from Jaguar and, soon, Hyundai, retrofitted with sensors to function as autonomous vehicles.
From The Wall Street Journal ● Jul. 30, 2026
His first floor was now being retrofitted to accommodate his wheelchair—its doorways widened, its kitchen sink lowered—part of a joint effort between a nonprofit called Rebuilding Together and the company that owned Sears and Kmart.
From "Becoming" by Michelle Obama
