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Definitions

retrofit

[re-troh-fit, re-troh-fit, re-troh-fit] / ˈrɛ troʊˌfɪt, ˌrɛ troʊˈfɪt, ˈrɛ troʊˌfɪt /
VERB
adapt for use with something older
Synonyms


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.

The company will use the funding to conduct a paid pilot with a Class 1 railroad, testing its battery retrofit and dynamic charging system.

From The Wall Street Journal • Mar. 31, 2026

But unlike China, which built state control into the internet as the web spread decades ago, Russia is having to retrofit state control into complex systems.

From BBC • Jan. 18, 2026

Riot Platforms will make around $90 million in capital expenditures to retrofit the Rockdale facility.

From Barron's • Jan. 16, 2026

A report from the community development research nonprofit Headwaters Economics found a complete home retrofit using affordable materials costs between $23,000 and $40,000.

From Los Angeles Times • Nov. 24, 2025

The Center has since benefitted by a forty-million-dollar retrofit, but there's still enough forest and swamp on the facility for the Border Patrol to put in tracking practice.

From The Hacker Crackdown, law and disorder on the electronic frontier by Sterling, Bruce