only one; not one of several
regarded as distinct from each other or others in a group
even one (used for emphasis)
designed or suitable for one person
not accompanied by others; alone.
unmarried or not involved in a stable sexual relationship
consisting of one part
(of a ticket) valid for an outward journey only, not for the return
(of a flower) having only one whorl of petals
denoting an alcoholic drink that consists of one measure of spirits
free from duplicity or deceit; ingenuous
an individual person or thing rather than part of a pair or a group.
a short record or CD featuring one main song or track.
people who are unmarried or not involved in a stable sexual relationship
a ticket that is valid only for an outward journey.
a bedroom, especially in a hotel, that is suitable for one person.
a single measure of spirits.
a one-dollar note.
a hit for one run.
a hit which allows the batter to proceed safely to first base.
(especially in tennis and badminton) a game or competition for individual players, not pairs or teams.
a system of change-ringing in which one pair of bells changes places at each round.
choose someone or something from a group for special treatment
thin out (seedlings or saplings)
reduce (a railway track) to a single line
hit a single
cause (a run) to be scored by hitting a single.
advance (a runner) by hitting a single.