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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

Is it unbelievably corny and retro to say free-market capitalism was built for the little guy?

From The Wall Street Journal • May 14, 2026

Sometimes that meant embracing an almost retro preppiness, as Mill did when it came to the staff uniforms—polos and khakis for men, white tennis skirts and V-neck sweaters for women.

From The Wall Street Journal • Apr. 21, 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

I said, “It’ll be so retro, like a 1950s pageant.”

From Los Angeles Times • Mar. 25, 2026

I have to earn coolness in Garden Heights, and that’s more difficult than buying retro Jordans on release day.

From "The Hate U Give" by Angie Thomas