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• retro
  retro

  adjective

  retroactive.
• retro-
  retro-

  a prefix occurring in loanwords from Latin meaning “backward” (retrogress ); on this model, used in the formation of compound words (retrorocket ).

retro

¹ American  

[re-troh] / ˈrɛ troʊ /

adjective

Informal.

1. retroactive.

   retro pay.

2. of or designating the style of an earlier time.

   retro clothes.

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retro- ² American  

1. a prefix occurring in loanwords from Latin meaning “backward” (retrogress ); on this model, used in the formation of compound words (retrorocket ).

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retro- ¹ British  

prefix

1. back or backwards

   retroactive

2. located behind

   retrolental

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retro ² British  

/ ˈrɛtrəʊ /

noun

1. short for retrorocket

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adjective

1. denoting something associated with or revived from the past

   retro dressing

   retro fashion

Etymology

Origin of retro¹

By shortening

Origin of retro-²

< Latin, representing retrō (adv.), backward, back, behind

Explanation

Retro things imitate a style from the past. A retro diner might serve 1950s-style milkshakes and be decorated like a diner from that era, but the prices will be much more modern. If you like retro clothes, you probably shop online and at thrift shops, where you can find pants from the 70s and prom dresses from the 50s. Retro music is heavily influenced by past genres, like rockabilly or doo-wop. You can also use retro as a noun: "I'm really into retro when it comes to cars." The word was first used in the 1970s in French, rétro, short for rétrograde, from the Latin retrogradi, "move backward."

Example Sentences

Kylan laughs at the retro styling: "He's there with the tucked-in shirt. He doesn't even have the moustache any more."

From BBC • Jun. 6, 2026

Thus began my hunt for signs of Choc-O’s afterlife, including visits to retro candy stores stocking hard-to-find Bonomo Turkish Taffy, Zagnut bars and Beemans chewing gum.

From The Wall Street Journal • Jun. 4, 2026

A tasselled blue Texan-style ensemble -- complete with a cowboy hat for the robot -- and a retro silver puffer jacket were among the looks showcased at the event on Thursday.

From Barron's • May 29, 2026

Paying homage to both Harding’s experience as a pilot and the Bowl’s retro “No Fly” posters, the conductor received vintage poster prints with text requesting pilots not to fly over the venue during a concert.

From Los Angeles Times • May 28, 2026

After I hung up, I went to Dad’s office and sat in the orange retro chair until he was off his business phone call.

From "Please Ignore Vera Dietz" by A.S. King