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penny dropped

ˈpeni drɒpt

General
informal
intermediate
Literally:
A penny coin falling

What does "penny dropped" mean?

  1. Finally understood something
  2. Suddenly realized what was meant

Examples

  • The penny finally dropped when she explained it again.
  • It took a while, but the penny dropped eventually.
  • I could see the penny drop as he understood the joke.

Origin

From old penny-in-the-slot machines that wouldn't work until the penny dropped into position. British origin.

How to use it

More common in British English. Usually used with 'finally' or 'eventually'.

Similar expressions

light bulb moment
clicked
dawned on
got it

Opposites

still confused
puzzled
didn't get it

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 "penny dropped" in a CELPIP-style Speaking or Writing task. The AI feedback tells you whether your word choice worked.

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