English Reference
Idiom idiom

sleeping giant


Someone or something with great, latent strength.

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


SIMPLE

That quiet company is a sleeping giant in the tech market.

CONTEXTUAL

Many experts believe the country's economy is a sleeping giant that will soon dominate global trade.

COMPLEX

The political movement, long dismissed as irrelevant by the establishment, proved to be a sleeping giant that eventually reshaped the entire nation.


first recorded 18th c.

A metaphor, maybe derived from Gulliver's Travels (1726), and made popular by the 1970 film Tora! Tora! Tora!, see quotations.


Related idioms8entries
  1. 01

    dwarf standing on the shoulders of giants

    One who discovers by building on previous discoveries.

  2. 02

    gentle giant

    A person or animal of a great size or strength, yet who is of a friendly nature and not aggressive or threatening.

  3. 03

    let a sleeping dog lie

    Alternative form of let sleeping dogs lie.

  4. 04

    let sleeping dogs lie

    To leave things as they are; especially, to avoid restarting or rekindling an old argument; to leave disagreements in the past.

  5. 05

    mistake windmills for giants

    To perceive ordinary, nonthreatening objects or situations as significant dangers or adversaries, often due to an overly romantic, idealistic, or deluded worldview.

  6. 06

    one small step for man, one giant leap for mankind

    (used imitatively) A cliché used to exaggerate an accomplishment or milestone.

  7. 07

    sleeping at the switch

    Alternative form of asleep at the switch.

  8. 08

    sleeping policeman

    A speed bump.

Last updated August 10, 2026