periodically

adverb

pe·​ri·​od·​i·​cal·​ly ˌpir-ē-ˈä-di-k(ə-)lē 

1

: at regular intervals of time

2

: from time to time : frequently

Examples of periodically in a Sentence

Recent Examples on the Web

These helium ions penetrate only a little way into the individual grains of this soil, but periodically meteorites have struck the lunar surface to churn the soil, mixing some of this helium-3 a little below the surface. — Eric Berger, ArsTechnica, 26 Aug. 2026

Another drover rides beside the herd, periodically cracking a bullwhip. — Fort Worth Star-Telegram, 26 Aug. 2026

An adjustable-rate mortgage (ARM) has an interest rate that is fixed for an initial period and then changes periodically. — Rebecca Safier, USA Today, 26 Aug. 2026

Additionally, keep a laminated list of emergency contacts with all your important documents and update the list periodically to keep it current. — Maria Sabella, Better Homes & Gardens, 25 Aug. 2026

Word History

First Known Use

1646, in the meaning defined at sense 1

Rhymes for periodically

• methodically