Upside

Part of speech: noun (n.)

The upper side; the part that is uppermost. To be upsides with, to be even with. [Prov. Eng. & Scot.] Sir W. Scott. T. Hughes. -- Upside down. Etym: [Perhaps a corruption of OE. up so down, literally, up as down.] With the upper part undermost; hence, in confusion; in complete disorder; topsy-turvy. Shak. These that have turned the world upside down are come hither also. Acts xvii. 6.