irregularity

IPA/ɪˌreɡjəˈlærəti/
KK[ˌɪrˌɛɡjəlˈɛrəti]IPA/ɪˌreɡjəˈlærəti/

irregularity — noun

  • irregularitysingular
  • irregularitiesplural

1. a place or area where a surface or object is not smooth, even, or symmetrical —

1.名詞B2
釋義

a place or area where a surface or object is not smooth, even, or symmetrical — for example, a bump on a road, an uneven row of teeth, or an unusual mark on a wall.

例句

The dentist noticed a small irregularity on the surface of Yael's front tooth.

uncountable: 'a small irregularity' as a specific spot

Pedro felt an irregularity in the road and slowed his bicycle to inspect the spot.

同義詞
  • unevenness

    focuses on the lack of a level surface; less technical

  • asymmetry

    specifically about lack of mirror-image balance; more formal

  • flaw

    emphasises that the irregularity is a defect or imperfection

反義詞
  • regularity

    the quality of being even, smooth, or symmetrical

  • uniformity

    the state of being the same across the whole surface

用法筆記

Can describe both tiny flaws (a bump on a surface) and larger uneven patterns (an irregular skyline). In medical contexts it often refers to suspicious tissue growth seen on scans.

常見錯誤

The surface had a irregularity.
The surface had an irregularity.
💡Because 'irregularity' starts with a vowel sound, use 'an' not 'a'.

2. an action or practice that goes against official rules, laws, or accepted standa

2.名詞B2
釋義

an action or practice that goes against official rules, laws, or accepted standards of honesty and fairness — often used in contexts of financial mismanagement, administrative mistakes, or procedural errors.

例句

The bank discovered several financial irregularities in the loan department records.

countable/plural: irregularities in [area/department]

A routine audit revealed accounting irregularities that had gone unnoticed for two years.

同義詞
  • misconduct

    stronger term implying deliberate wrongdoing; more serious

  • breach

    focuses on the act of breaking a specific rule or agreement

  • anomaly

    more neutral; suggests something unusual that may or may not be improper

反義詞

用法筆記

Often appears in the plural form (irregularities) since improper conduct typically involves multiple violations. The word does not necessarily mean illegal — it covers any departure from proper procedure.

常見錯誤

The accountant was fired for irregularity.
The accountant was fired for financial irregularities.
💡The plural form is far more natural when referring to specific instances of misconduct.

3. the condition of an event, process, or biological function whose timing varies i

3.名詞B2
釋義

the condition of an event, process, or biological function whose timing varies instead of following a predictable, steady pattern — for instance, a heartbeat that does not keep a constant rhythm or a train service that arrives at unpredictable times.

例句

Minh's doctor said the irregularity of his heartbeat needed further tests.

uncountable: 'the irregularity of [something]'

The irregularity of the bus service frustrated commuters waiting at the city-hall stop.

同義詞
  • inconsistency

    broader term covering any lack of uniformity, not just timing

  • unpredictability

    emphasises the inability to know when something will happen

  • variation

    more neutral; suggests natural fluctuation rather than a problem

反義詞

用法筆記

Uncountable when referring to the general condition ('the irregularity of the service'); countable when referring to one specific instance of uneven timing ('an irregularity in her heartbeat').

常見錯誤

The train's irregularity annoyed me.
The irregularity of the train service annoyed me.
💡Specify what is irregular (the service/timing), not the train itself.