Partial or biased in favour of one faction or demographic group. / With one competitor dominant over the other. / Out of proportion or lopsided. / Having only one side, like a Möbius strip.

(reciprocal pronoun) Used of a reciprocal relationship among a group of two or more people or things; compare each other.

(set phrase) At some unspecified time in the future. / At some unspecified time in the past. / Used other than figuratively or idiomatically: see one, day.

Alternative form of one up

Alternative form of one up

The art or practice of successively outdoing a competitor. / A succession of instances of outdoing a competitor.

(idiomatic) To outdo, to perform something slightly better than a competitor's prior effort.

(especially in phrases like get one up on someone) An advantage over someone. / (video games) Alternative spelling of 1-up (“extra life”)

While standing up or walking, running, etc. / (idiomatic) Able to stand; hence, healthy, well, especially after some previous illness.

In a pleasing state or form.