Legally permitting movement or travel in one direction only; -- of paths, especially roads; as, one-way streets.

Pertaining to or valid for transportation in one direction between two points; as, a one-way ticket; a one-way fare. Opposed to round-trip.

Service provided from point-of-presence to point-of-presence in which transmission of the signal is in one direction only.

Communications mode consisting only of downlink received from a spacecraft.

Describes a journey in which a traveler begins in one location and ends the journey in another location.

willing to perform only one type of sexual activity.