This is the 46th most frequent Russian word.
больше
"Больше" means "more" or "bigger."
Here, "больше" indicates 'anymore' or 'no longer', showing cessation of an action.
Я больше не буду опаздывать.
I won't be late anymore.
In this sentence, "больше" means 'more', representing an increase or need for a larger amount.
Мне нужно больше времени для подготовки.
I need more time to prepare.
Here, "больше" is part of a parallel comparative structure 'the more... the more...'