Main entry: scheduled
Definition: planned or scheduled for some certain time or times
Usage: the scheduled meeting; the scheduled flights had to be cancelled because of snow
Antonyms: unscheduled
Definition: not scheduled or not on a regular schedule
Antonyms: irregular
Definition: contrary to rule or accepted order or general practice
Antonyms: irregular
Definition: (of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement
Antonyms: irregular
Definition: (used of the military) not belonging to or engaged in by regular army forces