to go upstream

(attributive, typography) the state of being superscript

(graphic design) top alignment / (typography) flush-top alignment in vertical text

on a horse’s saddle; (by extension) on a horse

the darkest place is under the candlestick; can't see the wood for the trees; people often known little of what happens under their noses; lit. "dark under a candlestick"

(mahjong) a 役満 (yakuman, “limit”) hand consisting of four concealed triplets

revisionist

(linear algebra) upper triangular matrix

(grammar) an abbreviation for 上二段活用; upper dual grade conjugation

(grammar) Short for 上一段活用 (kami ichidan katsuyō): upper monograde conjugation