complex

complex adjective uk/ˈkɒmpleks, kəmˈpleks/ us
B2 involving a lot of different but connected parts in a way that is difficult to understand

сложный
complex details/issues The situation is very complex . complex ity noun [ C,U ] uk/kəmˈpleksəti/ us
the quality of being complex

сложность
the complex ities of life

COMPLEX noun

[ C ] uk/ˈkɒmpleks/ us complex noun [C]
(MENTAL)

a mental problem that makes someone anxious or frightened about something

комплекс
an inferiority complex