society > society and the community > kinship or relationship > marriage or wedlock > unmarried person(s) > [adjective] > by choice (7)
Celibate, single. Obsolete.
Characterized by not marrying or by the absence of marriage; esp. (of a person) that does not marry; inclined or likely not to marry (cf. marrying…
Unmarried, single; bound not to marry.
Not mating; that does not mate; (also) characterized by the absence of mating.