back-of-the-envelope

adjective

Definition of back-of-the-envelope

: done quickly to provide a rough estimate : not exact did a back-of-the-envelope calculation His method is, in effect, a back-of-the-envelope time-and-motion study.— Ian Stewart

First Known Use of back-of-the-envelope

1968, in the meaning defined above

Keep scrolling for more

Learn More about back-of-the-envelope

Time Traveler for back-of-the-envelope

Time Traveler

The first known use of back-of-the-envelope was in 1968

See more words from the same year

Statistics for back-of-the-envelope

Cite this Entry

“Back-of-the-envelope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/back-of-the-envelope. Accessed 2 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

More Definitions for back-of-the-envelope

back-of-the-envelope

adjective

English Language Learners Definition of back-of-the-envelope

informal : done to provide a rough idea of something

Comments on back-of-the-envelope

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

WORD OF THE DAY

Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
True or False

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

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!