ENGLISH
REFERENCE

build a better mousetrap

idiom
Meaning

To create a new product, method, or idea that is better than an existing version of something already common or widely used.


Origin

first recorded 19th c.

A shortening of build a better mousetrap and the world will beat a path to your door. Derived from the quote by Ralph Waldo Emerson: If a man has good corn or wood, or boards, or pigs, to sell, or can make better chairs or knives, crucibles or church organs, than anybody else, you will find a broad hard-beaten road to his house, though it be in the woods. (1855).

Examples
SIMPLE

She is trying to build a better mousetrap for cleaning floors.

CONTEXTUAL

The startup hopes to build a better mousetrap by using artificial intelligence to simplify how people manage their daily schedules.

COMPLEX

While many competitors were content with minor updates, the visionary entrepreneur sought to build a better mousetrap that would fundamentally disrupt the entire industry.

Anchors to
Related idioms8entries
  1. 01

    an ounce of prevention is better than a pound of cure

    Precaution and prevention of an undesirable thing is preferable to dealing with its potential consequences.

  2. 02

    better angels

    Morally upright or otherwise positive attributes of human character.

  3. 03

    better for it

    In a more favorable position on the whole due to something, despite possible drawbacks.

  4. 04

    better luck next time

    Used to wish somebody hope in future success after a failure.

  5. 05

    better nature

    the more amiable qualities of someone

  6. 06

    better place

    Heaven; happiness after death.

  7. 07

    better than sex

    Superlative; wonderful.

  8. 08

    build a case

    to compile evidence that supports a charge against someone.

© 2026 English Reference