This is the 17665th most frequent Russian word.
уверенных
"Confident" (plural or genitive form).
The word 'уверенных' describes 'пользователей', specifying individuals who are confident.
Этот курс предназначен для уверенных пользователей компьютера.
This course is intended for confident computer users.
Here, 'уверенных' modifies 'лидеров', referring to leaders who possess confidence.
В группе уверенных лидеров царила атмосфера сотрудничества.
In the group of confident leaders, there was an atmosphere of cooperation.
In this sentence, 'уверенных' refers to individuals who are sure or confident, with the phrase highlighting their self-assurance.