regularity

American  

[reg-yuh-lair-i-tee, reg-yoo-] / ˌrɛg yəˈlɛər ɪ ti, ˌrɛg yu- /

noun

plural

regularities

1. the fact or quality of happening at fixed or predictable intervals.

2. the fact or quality of happening habitually, routinely, or frequently.

3. a uniform or even quality.

4. a well-ordered or methodical quality.

5. the fact or quality of conforming to a rule, prescribed procedure, principle, etc.

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Other Word Forms

• irregularity noun

Explanation

Something that happens with regularity is typical and expected. Fashion trends change with regularity, which is great for stores that want to sell you a new wardrobe every year. Regularity is the quality of being stable and predictable. If you exercise with regularity, you might work out every day. If your car breaks down with regularity, then you're probably used to taking the bus. If you add the prefix ir- to this word, you get irregularity — something unusual, out of the ordinary, or unexpected.

Example Sentences

She wrought real reputational harms and wrecked the presumption of regularity to the point where judges are now just saying: I just assume you lie all the time.

From Slate • Apr. 3, 2026

This was Spurs in microcosm with mistake piled upon mistake – the self-destruct button pressed with despairing regularity.

From BBC • Mar. 10, 2026

So when a few months back he cautioned about “the regularity of bubbles,” “bubble behavior” and the “end result is inevitably painful,” investors in AI stocks sat up and listened.

From MarketWatch • Feb. 27, 2026

"After the team boarded, an examination of documents confirmed the doubts as to the regularity of the flag," the Mediterranean Maritime Prefecture said.

From Barron's • Jan. 22, 2026

The cyclotron started turning out these new products with amazing regularity.

From "Big Science" by Michael Hiltzik

Related Words

• consistency
• precision
• predictability
• uniformity