sine die, adv. (of business adjourned indefinitely) with no appointed date.

Etymology:
L, = without day

N  neverness, absence of time, no time, dies non, Tib's eve, Greek Kalends, a blue moon, never, ne'er, at no time, at no period, on the second Tuesday of the week, when Hell freezes over, on no occasion, never in all one's born days, nevermore, sine die, in no degree.

N  lateness, tardiness, delay, delation, cunctation, procrastination, deferring, deferral, postponement, adjournment, prorogation, retardation, respite, pause, reprieve, stay of execution, protraction, prolongation, Fabian policy, medecine expectante, chancery suit, federal case, leeway, high time, moratorium, holdover, late, tardy, slow, behindhand, serotine, belated, postliminious, posthumous, backward, unpunctual, untimely, delayed, postponed, dilatory, delayed, in abeyance, late, lateward, backward, late in the day, at sunset, at the eleventh hour, at length, at last, ultimately, after time, behind time, after the deadline, too late, too late for, slowly, leisurely, deliberately, at one's leisure, ex post facto, sine die, nonum prematur in annum, against the sunbeams serotine and lucent, ie meglio tardi che mai, deliberando saepe perit occasio.