One only, as distinguished from more than one; consisting of one alone; individual; separate; as, a single star.
Alone; having no companion.
To take alone, or one by one.
existing alone or consisting of one entity or part or aspect or individual; "upon the hill stood a single tower"; "had but a single thought which was to escape"; "a single survivor"; "a single serving"; "a single lens"; "a single thickness"
A person in the lifestyle who is either single or plays alone.