periodic
adjective
pe·ri·od·ic
ˌpir-ē-ˈä-dik 
1
a
: occurring or recurring at regular intervals
b
: occurring repeatedly from time to time
2
a
: consisting of or containing a series of repeated stages, processes, or digits : cyclic
periodic decimals
a periodic vibration
b
: being a function any value of which recurs at regular intervals
3
: expressed in or characterized by periodic sentences
Synonyms
Examples of periodic in a Sentence
He takes the car in for periodic oil changes.
sent out periodic reminders about the office dress code
Recent Examples on the Web
The goal is to make the car a platform with with periodic improvements in autonomy, infotainment and customer experience features, similar to a smart-phone model but with a safety focus, critical for cars moving at high speeds in cluttered environments.
—
Sabbir Rangwala, Forbes, 20 Jan. 2025
The man said that Laura has grown increasingly frustrated with the periodic disruptions caused by Ella's biological mother.
—Melissa Fleur Afshar, Newsweek, 20 Jan. 2025
Times between traditional wet mopping sessions can be further extended by periodic deep-cleaning with a steam mop.
—Daley Quinn, Southern Living, 18 Jan. 2025
If used regularly, periodic liver function evaluations may be recommended.
—Heather Jones, Verywell Health, 15 Jan. 2025
See all Example Sentences for periodic 
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Sabbir Rangwala, Forbes, 20 Jan. 2025
The man said that Laura has grown increasingly frustrated with the periodic disruptions caused by Ella's biological mother.
—Melissa Fleur Afshar, Newsweek, 20 Jan. 2025
Times between traditional wet mopping sessions can be further extended by periodic deep-cleaning with a steam mop.
—Daley Quinn, Southern Living, 18 Jan. 2025
If used regularly, periodic liver function evaluations may be recommended.
—Heather Jones, Verywell Health, 15 Jan. 2025
See all Example Sentences for periodic
Dictionary Entries Near periodic
Cite this Entry
“Periodic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/periodic. Accessed 30 Jan. 2025.
Copy CitationKids Definition
periodic
adjective
pe·ri·od·ic
ˌpir-ē-ˈäd-ik
1
: occurring at regular intervals
2
: consisting of or containing a series of repeated stages
periodic vibrations
Medical Definition
periodic
adjective
pe·ri·od·ic
ˌpir-ē-ˈäd-ik
: occurring or recurring at regular intervals
periodic epidemics
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