Vocapedia
Log inTry for Free

Looking up...

Explore

  • Words of the Year
  • Recent Lookups
  • Community Collections
  • How to Say

Dictionaries

  • English
  • Vietnamese
  • Japanese
  • Chinese
  • Spanish
  • French
  • Korean
  • German
  • Hindi
  • Italian

MY LEARNING

  • My Dictionary
  • My Collections
  • Reviews

Resources

  • Learning Resources
  • How It Works
  • Study Guides
  • Language Tips
  • FAQ
  • Getting Started
  • For Individuals
  • For Teachers

Community

  • Forum
  • Blog
  • Help Center
  • Partnerships

About

  • About Vocapedia
  • Contact Us
  • Feedback

Legal

  • Terms of Use
  • Privacy Policy
  • Cookie Policy
  • Accessibility
  • GDPR Compliance
© 2026 Vocapedia. All rights reserved.
  1. Home /
  2. Dictionaries /
  3. English Dictionary /
  4. irregularity

irregularity

/ˌɪrɪˈɡjʊləri/
lack of uniformity or consistency

The irregularity in his work schedule made it hard to plan meetings.

His work hours were inconsistent, making scheduling difficult.


general

the state of being inconsistent or not following a regular pattern

The irregularity in the data suggested a possible error in the experiment.

The inconsistent data points indicated a potential mistake in the research.

Often used to describe deviations from expected norms or patterns.

Collocations

irregularity ina deviation or inconsistency in somethingnotice an irregularityto detect or observe something unusual

Synonyms

inconsistencyanomalyabnormalitydeviation

Antonyms

regularityconsistencyuniformity

Related Phrases

irregular verbphrase
a verb that does not follow standard conjugation patterns

Pro Tip

Common Usage

Use 'irregularity' to describe deviations from expected patterns, especially in formal or technical contexts.

Gold Rule

Formal Context

'Irregularity' is often used in formal or technical writing to describe deviations from norms.

Word Origin

From Middle French 'irregularité', from Latin 'irregularis' (not regular), from 'in-' (not) + 'regularis' (regular).

Usage Notes

Commonly used in contexts where conformity or predictability is expected, such as in schedules, data, or behavior.

Word Breakdown

ir-
not
prefix
+
-regular
uniform or consistent
root
+
-ity
state or quality of
suffix
English Dictionary
Browse more English→English words →

Learning Progress

Track your learning journey!

• Save words to build your vocabulary

• Monitor your daily streak

• Get personalized review reminders

• See words learned statistics

Log in to access advanced features and track your progress!

Go to Dashboard →

Words of the Year

The most notable words that defined each year. Discover the vocabulary that shaped our world.