English
Overview
|Listening
EnvolPrep Logo
EnvolPrep
CELPIP-helpers
|Learn Words

a flash in the pan

ə flæʃ ɪn ðə pæn

General
neutral
intermediate
Literally:
A brief flash of gunpowder in the pan of a flintlock gun

What does "a flash in the pan" mean?

  1. A thing or person whose sudden success is not repeated
  2. Something promising that quickly fails or disappears

Examples

  • Many thought she'd be a flash in the pan, but she proved them wrong.
  • The band's first album was a hit, but they turned out to be a flash in the pan.
  • Don't dismiss him as a flash in the pan—he's got real talent.

Origin

From the firing mechanism of flintlock muskets in the 17th century. Sometimes the gunpowder in the pan would flash but fail to ignite the main charge, producing a startling flash with no shot. This described something that seemed promising but failed to deliver.

How to use it

Often used in sports, entertainment, and business to describe short-lived success. Can be used to describe people or things.

Similar expressions

one-hit wonder
here today gone tomorrow

Opposites

lasting success
staying power

Related idioms

  • actions speak louder than words

    What people do is more important than what they say

  • better safe than sorry

    It's better to be careful and prevent problems than to take risks

  • so far so good

    Things have gone well up to now

  • easier said than done

    Something is more difficult to do than to talk about

  • make a long story short

    To summarize or get to the point

  • to make matters worse

    In addition to existing problems

Use it in a practice answer

Try "a flash in the pan" in a CELPIP-style Speaking or Writing task. The AI feedback tells you whether your word choice worked.

Speaking practiceWriting practice
All idioms

EnvolPrep

Free CELPIP practice with AI feedback

EnvolPrep is an independent test preparation platform. We are not affiliated with, endorsed by, or connected to Prometric Canada or Paragon Testing Enterprises, who own and deliver the CELPIP test. CELPIP is a registered trademark of Paragon Testing Enterprises, acquired by Prometric Canada in 2021.

© 2026 EnvolPrep · Questions or ideas? viktorbezai@gmail.com