(electronics, computer science) A set of bits with only a single low (0) bit, with the remaining bits high (1).

In a way that is favorable to one.

(idiomatic) A short period of time, typically anywhere from several seconds to several minutes or more. / Used other than figuratively or idiomatically: see one, moment.

(idiomatic) Stop; wait; hold on. Used to interrupt speech or proceedings so that one can make a comment or query.

(sports) A shot, stroke, or pass performed using only one hand. / (entertainment) A one-man show.

plural of one-hander

(Philippines) The first year of kindergarten, the period in school that comes after nursery and before prep or elementary.

(nautical) Having one mast.

present participle of one-shot

Alternative form of oner