This is the 16771st most frequent Russian word.
сложным
The word "сложным" means "complicated" or "difficult" in English.
Adjective used to describe the difficulty of the exam.
Этот экзамен был сложным.
This exam was difficult.
Adjective used to describe the complexity of choosing between options.
Он оказался сложным выбор между двумя вариантами.
It turned out to be a difficult choice between two options.
Adjective used to describe the nature of thinking required.