ceiling Antonyms

floor underbuilding lower limit bottom edge lower boundary slightest lower end bottom border bottom level lowest point lower bound rock bottom bedrock infrastructure sickbed river bottom ground floor lowest floorboard first floor minimum limit bottom boundary lowest limit lower margin lower portion lower region lower section lowest end minimal level minimum level minimum threshold lower edge lower cap bottom area bottom limit bottom margin bottom region bottom section floor amount lower area lower border base end tiling arena fundus grading grime ground groundwork hardpan