English Reference
Idiom idiom

best laid plans


A proverbial expression used to signify the futility of making detailed plans when the ability to fully or even partially execute them is uncertain.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

The best laid plans often go wrong.

The best laid plans fail if you forget to check the opening hours.

Even the best laid plans fall apart when the train is late.

CONTEXTUAL

We wanted a beach picnic, but the best laid plans were ruined by a sudden thunderstorm.

I spent months organizing my sister's surprise party, but the best laid plans failed when she caught a cold and stayed home.

We intended to finish the renovation by Christmas, but the best laid plans changed once we discovered the leaking pipes.

COMPLEX

Despite our meticulous preparation for the product launch, the best laid plans were ultimately thwarted by an unforeseen global supply chain crisis.


Shortened form of “the best laid plans of mice and men often go awry”, translated from Scots “The best laid schemes o' Mice an' Men, / Gang aft agley,” from To A Mouse, On Turning Her Up In Her Nest With The Plough by Robert Burns (text and reading of poem).


Related idioms8entries
  1. 01

    a wild goose never laid a tame egg

    Most things are inherited and predetermined.

  2. 02

    as best one can

    In the best possible way, given one's circumstances and abilities.

  3. 03

    best bet

    The best proposal or plan.

  4. 04

    best of both worlds

    A combination of two seemingly contradictory benefits.

  5. 05

    best of the bunch

    The best or most preferred person or item within a group.

  6. 06

    best pleased

    displeased, upset, disgruntled

  7. 07

    best regards

    Used as a polite closing of a letter

  8. 08

    best thing since sliced bread

    Alternative form of greatest thing since sliced bread.

Last updated August 10, 2026