retrofire

play
verb ret·ro·fire \ -ˌfī(-ə)r \

Definition of retrofire

transitive verb
:to cause (a retro-rocket) to become ignited
intransitive verb
of a retro-rocket :to become ignited

retrofire

noun

First Known Use of retrofire

1960


Learn More about retrofire


Seen and Heard

What made you want to look up retrofire? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

of yeast or being unsettled or frivolous

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!