This is the 15353rd most frequent Russian word.
поуверенней
More confidently.
The word 'поуверенней' is used as an adverb to describe the manner in which the subject spoke, indicating a comparative state of confidence.
Он говорил поуверенней, чем раньше.
He spoke more confidently than before.
Here, 'поуверенней' provides a directive tone, encouraging increased confidence in behavior or demeanor.
Попробуй вести себя поуверенней на собеседовании.
Try to behave more confidently during the interview.
In this sentence, 'поуверенней' describes the qualitative improvement in confidence of movements over time.