Irregularity: Definition, Usage & Common Mistakes

Meaning 1：lack of uniformity (irregularity)

irregularity 🔊

/ɪˌreɡjəˈlærəti/

something that doesn't follow the usual, predictable pattern.

Illustration of irregularity concept: doctor checking heartbeat with stethoscope in clinic

lack of uniformity 🔊

➕

/ˈlæk əv ˌjuːnɪˈfɔːrməti/

A state or condition where something does not adhere to a standard, expected, or smooth pattern. It implies a break in consistency or predictability.

📁 Category：Physical & Mental Health 🔖 Level：Intermediate

📘 Details & Usage

📖 Root Explanation

From Latin 'in-' (not) + 'regula' (rule). Literally 'not according to rule'.

💡 Mnemonic

Think: IR (not) + REGULAR (normal pattern) + ITY (state). It's the state of NOT being regular.

📖 Example

The doctor detected a slight irregularity in my heartbeat with his stethoscope. 🔊 The doctor discovered a minor deviation from the normal pattern in my heartbeat using his stethoscope.

🔗 Collocations

heart irregularity – A medical term for an abnormal heartbeat rhythm.

financial irregularity – An accounting or transactional practice that breaks established rules or standards.

surface irregularity – A lack of smoothness or evenness on the exterior of an object.

🔄 Synonyms

anomaly (n.) – Something that deviates from what is standard, normal, or expected.

aberration (n.) – A departure from what is normal, usual, or expected, typically one that is unwelcome.

discrepancy (n.) – A lack of compatibility or similarity between two or more facts.

🚫 Antonyms

regularity (n.) – The state or quality of being regular; following a consistent pattern.

uniformity (n.) – The quality or state of being uniform; sameness or consistency.

🌱 Derivatives

irregular (adj.) – Not regular; not following a usual pattern or rule.

irregularly (adv.) – In an irregular manner; not at regular intervals.

📖 Cultural Story

Derived from Latin 'irregularis'. Initially described deviations in military formations. Now, a key formal term in legal documents (e.g., 'procedural irregularity') and audit reports to denote non-compliance with rules or norms, making it crucial for governance and finance.