B2adverbformalworkscience
US/ˌpɪr.iˈɑː.dɪ.kəl.i/
UK/ˌpɪə.riˈɒd.ɪ.kəl.i/
from time to time, at regular or irregular intervals
In context
The software updates itself periodically without asking you.
Check the oil periodically to keep the engine in good condition.
She periodically visits her old school to talk to the students.
Words that go with periodically
adverb + verb
- periodically checkPeriodically check the batteries in the smoke alarm.
- periodically reviewManagers should periodically review the budget.
- periodically updateThe website is periodically updated.
- periodically visitHe periodically visits his grandparents in the countryside.
- periodically floodThe river periodically floods the nearby fields.
verb + adverb
- be tested periodicallyDrivers must be tested periodically for their eyesight.
Common mistakes
Incorrect:
The machine is checked periodic.Correct: The machine is checked periodically.