irregular

S2 W2

BrE /ˈɪə.rɪɡ.jʊ.lər/ AmE /ɪˈrɛɡ.jə.lər/

adjective en → es

1 NOT REGULAR [attributive / predicative] B1

not following the usual rules or patterns; not normal or standard

irregular, no conforme a las normas

  • an irregular verb

Collocations irregular heartbeat · irregular payment

  • The company has an irregular payment schedule.

    La empresa tiene un calendario de pagos irregular.

2 UNUSUAL [attributive / predicative] B1

not usual or normal; strange or unexpected

extraño, inusual

  • an irregular occurrence

Collocations irregular behavior · irregular circumstances

  • There was an irregular noise coming from the engine.

    Había un ruido extraño que provenía del motor.

3 LEGAL [attributive / predicative] B2

not following official rules or procedures; not legal or proper

ilegal, no conforme a la ley

  • an irregular transaction

Collocations irregular procedure · irregular activity

  • The company was fined for making an irregular payment.

    La empresa fue multada por realizar un pago ilegal.

4 EDUCATION [attributive / predicative] B2

not following the usual school calendar or schedule; not attending classes regularly

no regular, irregular en la escuela

  • an irregular student

Collocations irregular attendance · irregular schedule

  • The school has a policy for dealing with irregular students.

    La escuela tiene una política para tratar con estudiantes irregulares.

5 GEOGRAPHY [attributive / predicative] C1

not straight or smooth; having an uneven shape or surface

irregular, no liso

  • an irregular coastline

Collocations irregular terrain · irregular shape

  • The island has an irregular coastline.

    La isla tiene una costa irregular.

6 MATH [attributive / predicative] C1

not following a regular pattern or sequence; not symmetrical

irregular, no simétrico

  • an irregular polygon

Collocations irregular distribution · irregular arrangement

  • The graph shows an irregular pattern of data.

    El gráfico muestra un patrón de datos irregular.

7 ART [attributive / predicative] C1

not following a regular or standard style; not symmetrical or balanced

irregular, no simétrico en el arte

  • an irregular painting

Collocations irregular composition · irregular design

  • The artist is known for her irregular style.

    La artista es conocida por su estilo irregular.

8 SPORT [attributive / predicative] C1

not following the usual rules or procedures; not fair or legal

irregular, no conforme a las reglas del deporte

  • an irregular play

Collocations irregular behavior · irregular action

  • The referee called it an irregular play.

    El árbitro lo consideró una jugada irregular.