1. in a manner that does not follow a regular pattern or schedule; irregularly or at unpredictable intervals

Examples

• The system checks for updates aperiodically rather than on a fixed schedule.
• She visits her hometown aperiodically, sometimes twice a year and sometimes not for several years.
• The machine produces aperiodically timed alerts that cannot be predicted in advance.
• He aperiodically contributes to the project when he has free time.
• The rain fell aperiodically throughout the afternoon, with long dry spells between showers.
• The website aperiodically publishes new articles without a set publication calendar.