complex

S2 W2

BrE /ˈkɒm.pleks/ AmE /ˈkɑːm.plɛks/

adjective / noun en → es

1 COMPLICATED B1

difficult to understand or deal with because of having many different parts or ideas that are connected in a complicated way

complicado, difícil de entender

  • [T + obj]
  • [it is complex]

Collocations complex situation · complex problem

  • The project was very complex.

    El proyecto era muy complicado.

2 BUILDING B1

a large building or group of buildings that are used for a particular purpose, such as offices or apartments

edificio complejo, conjunto de edificios

  • [T + obj]
  • [it is complex]

Collocations office complex · apartment complex

  • The new office complex will be completed next year.

    El nuevo complejo de oficinas se completará el próximo año.

1 PSYCHOLOGY C1

a group of people who are connected with each other in a way that is not normal or healthy, especially because they have been through something difficult together

complejo psicológico

  • [T + obj]
  • [it is complex]

Collocations psychological complex · narcissistic complex

  • She suffers from a psychological complex.

    Ella sufre de un complejo psicológico.

1 MATHEMATICS C1

a number that has both real and imaginary parts, often written as a + bi where i is the square root of -1

número complejo

  • [T + obj]
  • [it is complex]

Collocations complex number · imaginary part

  • The equation involves a complex number.

    La ecuación involucra un número complejo.