This is the 885th most frequent Ukrainian word.
будь
"Be" (imperative form).
The word 'будь' here is part of the polite phrase 'будь ласка,' meaning 'please.' It indicates a polite request.
Будь ласка, допоможіть мені з цим.
Please, help me with this.
The word 'будь' acts as an imperative verb form of 'бути' (to be), instructing 'be' in a respectful manner.
Будь уважним під час переходу дороги.
Be attentive while crossing the road.
The word 'будь' is in a subjunctive mood, expressing a hypothetical situation.