English Reference
Idiom idiom

field day


A great time or a great deal to do; a period of bustling activity.

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


SIMPLE

The kids had a field day playing in the park all afternoon.

The hungry birds have a field day whenever we leave crumbs on the patio.

CONTEXTUAL

The local journalists had a field day when they discovered the mayor was hiding secret bank accounts.

The marketing team had a field day when their competitor accidentally posted an embarrassing video on social media.

After the heavy snowstorm, the local children had a field day building massive forts and having snowball fights in the street.

COMPLEX

Given the abundance of unverified rumors circulating online, the gossip columnists had a field day dissecting every detail of the celebrity's sudden departure.


The idiom is thought to derive from the military use of the term for a parade day. Such an occasion was considered significantly less taxing for the soldiers than their customary drilling and intense physical exercise. When a regiment was granted a field day, the usual rigours of service were suspended in favour of a display, making the event a matter of relative ease and public performance.


Related idioms8entries
  1. 01

    a cold day in July

    The time of occurrence of an event that will never happen.

  2. 02

    a day late and a dollar short

    Too late and too feeble to achieve the desired effect.

  3. 03

    a year and a day

    A long time.

  4. 04

    all one's born days

    One's whole life.

  5. 05

    as the day is long

    Unceasingly; very; thoroughly; to a very high degree.

  6. 06

    bad hair day

    A day when things seem to be unmanageable or go wrong.

  7. 07

    bad old days

    The past, seen as a time when things were worse.

  8. 08

    banyan day

    In British naval tradition, a day of the week when galley kitchens served no meat on board ship.

Last updated August 10, 2026