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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

She later went from a figure-hugging sheer lavender Gucci gown to a playful daytime polka dot ensemble from Jacquemus matched with retro white sun glasses, with Elle magazine praising her "old Hollywood" dash.

From Barron's • May 22, 2026

Modern versions of retro staples like a portable cassette player and a vinyl display cabinet hit the perfect note for a passionate spinner.

From The Wall Street Journal • Apr. 28, 2026

Thirty-eight of the 42 teams in Spain's top two divisions will play in retro shirts this weekend to celebrate each club's cultural identity.

From BBC • Apr. 8, 2026

“Hag” sits smack-dab at the center of a four-way intersection between camp, arthouse, schlock and retro TV movie of the week.

From Salon • Apr. 5, 2026

The one other thing that remained the same was the retro movie poster of Casablanca over his bed.

From "Keep It Together, Keiko Carter" by Debbi Michiko Florence