At an indefinite time in the future.
USAGE NOTE The adverbs someday and sometime express future time indefinitely: We'll succeed someday. Come sometime. Let's meet sometime when your schedule permits. This sense can also be conveyed by some day and some time. The two-word forms are always used when some is an adjective modifying and specifying a more particular day or time: Come some daysoon. Choose some daythat is not so busy. See Usage Notes at sometime.





