schedule /ˈskɛd͡ʒ.ʊl/noun 7verb 5forms 4 noun7 •a plan that shows what will be done, in what order and at what timesTo complete on time, we must follow the schedule. •An allocation or ordering of a set of tasks on one or several resources. •A serial record of items, systematically arranged.The building code includes a schedule of acceptable configurations. •A written or printed table of information, often forming an annex or appendix to a statute or other regulatory instrument, or to a legal contract.schedule of tribes •(US) One of the five divisions into which controlled substances are classified, or the restrictions denoted by such classification.Heroin is a Schedule I drug with a high potential for abuse. •(Australia) One of the nine schedules of the Standard for the Uniform Scheduling of Medicines and Poisons. Identical to the American usage above. •(no longer used) A slip of paper; a short note.He demands the blood-written schedule back from the demon, who refuses to give it up — 1900 verb5 •To plan (an activity or event) for a specific date or time.The next elections are scheduled on the twentieth of November. •To add (a name) to the list of those participating in an event; to reserve a place or time for.I am scheduled for classes next month.I'll schedule you for three-o'clock then. •To create a time-schedule. •(US) To classify as a controlled substance.Many harm reduction groups and drug policy experts question the long-term efficacy of scheduling xylazine. — 2023 •(Australia) To admit (a person) to hospital as an involuntary patient under a schedule of the applicable mental health law. formsscheduled · scheduling · schedules · Schedules