plural of fixer-upper

Alternative spelling of uppercase

(boxing) Alternative spelling of uppercut

(idiomatic, informal) Posh, upper-class; pertaining to the upper crust.

Alternative spelling of upper semi-continuous

(of a real-valued function on a topological space) Such that, for each fixed number, the subspace of points whose images are at least that number is closed.

(mathematics) The median of the upper or highest half of a data set, especially of a sample, population, or probability distribution.

plural of beater-upper

plural of upper quartile

A person who engages in swan upping.