This is the 599th most frequent Ukrainian word.
достатньо
Sufficient; enough.
The word 'достатньо' is used here to mean 'enough' in the sense of having a sufficient amount of time.
Мені достатньо часу, щоб завершити цей проект.
I have enough time to complete this project.
In this sentence, 'достатньо' means 'sufficiently' and describes the degree of preparation for the exam.
Вони достатньо підготувалися для іспиту.
They have sufficiently prepared for the exam.
Here, 'достатньо' is used to inquire if a sufficient quantity of funds is available for the trip.