Allowing movement in only one direction; unidirectional. / Allowing travel in only one direction.

(agriculture) To use a disc harrow to turn the soil and kill weeds, in preparation for planting seeds.

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.

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

The cardinal number immediately following fifty and preceding fifty-two.

The cardinal number immediately following sixty and preceding sixty-two.

(US, New York, informal) A police officer's report detailing a crime reported by a civilian.

(idiomatic) The place where one begins; a lack of progress.

In a pleasing state or form.

(idiomatic) Readily available.