knockdown

[ nok-doun ]

/ ˈnɒkˌdaʊn /

capable of knocking something down; overwhelming; irresistible: a knockdown blow.

constructed in separate parts that can readily be taken apart for easy storage, shipping, etc.: a knockdown toolshed.

offered or acquired for less than the prevailing rate: first-rate goods at knockdown prices.

a knockdown object.

an act or instance of knocking down, especially by a blow.

something that fells or overwhelms.

reduction or lowering, as in price or number: The store offered a knockdown of 15 percent to its own employees.

Slang. an introduction, especially to a person: He gave me a real knockdown to the company.

Nautical. the capsizing of a small boat as a result of a strong gust of wind.

Origin of knockdown

First recorded in 1680–90; adj., noun use of verb phrase knock down

He comes up again after every knockdown, as fresh as a daisy.

Fast Nine |Alan Douglas
Electrolyte is not supplied with batteries shipped in a knockdown condition.

The Automobile Storage Battery |O. A. Witte
It entered his consciousness with the force of a knockdown blow; he could hardly stand up against it.

The Measure of a Man |Amelia Edith Huddleston Barr
But—well, I knocked him down on deck a short time back, and the knockdown stands; but they would not allow a finish.

The Wreck of the Titan |Morgan Robertson

A shout of rage from the piper, and a knockdown blow that levelled the offender, replied to the insult.

Tom Burke Of "Ours", Volume I (of II) |Charles James Lever