noun a felling by a knock, as of a combatant, or of an animal.
2. knockdown ·add. ·adj of such force as to fell or overthrow; overwhelming; as, a knockdown blow.
3. knockdown ·add. ·adj designating a rivet end to be formed into a head by upsetting in fastening.
4. knockdown ·adj of force sufficient to fell or completely overthrow; as, a knockdown blow; a knockdown argument.
5. knockdown ·add. ·noun a knocking down; a felling by a knock; a blow that overwhelms; also, a fist fight.
6. knockdown ·add. ·adj made or constructed so as to be capable of being knocked down or taken apart, as for transportation.
7. knockdown ·add. ·noun that which knocks one down; something that overpowers or overwhelms, as strong liquor; specif., a kind of ale or beer that is very strong.
8. knockdown ·add. ·noun something that knocks down, or takes apart, for packing or removal, as a piece of furniture; also, state of being knocked down, or taken apart.
9. knockdown ·add. ·adj of or pertaining to the act of knocking down at an auction; specif., designating the price below which an article will not be disposed by the auctioneer.