A sitting duck is an easy target; someone or something in an exposed, vulnerable position that is completely defenseless against an attack, criticism, or failure.
Also: Sitting ducks (plural); like a sitting duck; we are sitting ducks
Singular vs. Plural: “Sitting Duck” or “Sitting Ducks”?
A common question among English learners is whether sitting duck can be pluralized:
- Both Forms Are Standard: You can use both the singular (a sitting duck) and the plural (sitting ducks) depending on whether you are referring to an individual or a group.
- Individual / Singular: Used when one person, vehicle, or organization is exposed (e.g., “Without security software, your computer is a sitting duck“).
- Group / Plural: Used when multiple people or assets share the exact same vulnerable position (e.g., “If our troops stay in the open valley, we are sitting ducks“).
“Sitting Duck” vs. “Lame Duck”
Because both expressions feature ducks in vulnerable states, they are often confused, but they describe very different situations:
- Sitting Duck: Refers to an easy, defenseless target that is in immediate danger of being attacked, caught, or criticized.
- Lame Duck: Refers to an ineffectual official or politician finishing out their term after an election, possessing little real power because their successor has already been chosen.
Origin & History: From Fowling to World War II
The idiom stems from waterfowl hunting (fowling) and was later popularized globally through military combat:
The Hunting Metaphor (1800s)
In sport hunting, shooting a flying duck requires sharp aim, anticipation, and skill because the bird is moving quickly through the air. However, a duck resting motionlessly on the water or sitting on the riverbank is a stationary, effortless target.
In traditional hunting ethics, shooting a bird while it was resting on the water was considered unsportsmanlike (often called “pot-hunting”).
World War II Military Slang (1940s)
While the hunting comparison existed in the 19th century, the phrase sitting duck exploded into widespread everyday English during World War II:
- Naval Warfare: Battleships and transport convoys anchored in harbors or trapped in shallow straits without escort protection were referred to as “sitting ducks” for enemy submarine torpedoes and dive bombers.
- Aviation: Slow transport planes and damaged bombers flying without fighter escorts were easy prey for enemy interceptors.
After the war, soldiers and journalists brought the phrase into civilian life, applying it to business vulnerabilities, political scandals, and everyday dangers.
Sentence Examples
“If we stay here we’re sitting ducks, said the sergeant. Let’s move to a more defensible position.”
“That’s really not a good place to leave your car. In that neighborhood, it’s a sitting duck for thieves.”
“If the mayor doesn’t get ahead of this budget scandal, he’s going to be a sitting duck at tomorrow’s press conference.”
Video Presentation
Similar and Related Expressions
- Fish in a Barrel: Something exceptionally easy to catch, defeat, or shoot (as in “like shooting fish in a barrel”).
- Easy Prey / Easy Meat: A vulnerable victim who cannot defend themselves.
- Dead Meat: Slang for someone in serious trouble or doomed to punishment.
- Clay Pigeon: A stationary or predictable target used in target practice.