knockdown

باللغة العربية: ساحق، مُخفَّض، قابل للتفكيك

1. Powerful enough to overwhelm. · a knockdown argument· a knockdown blow
2. Reduced in price, originally to a price below which an article would not be sold by the auctioneer.
3. Capable of being taken apart for packing or removal. · knockdown furniture
4. To be formed into a head by upsetting in fastening.