This is the 196th most frequent Dutch word.
beide
Both.
Here, 'beide' is used as a determiner to modify the noun 'boeken', indicating 'both'.
Beide boeken zijn interessant om te lezen.
Both books are interesting to read.
In this sentence, 'beide' functions similarly as a determiner for 'talen', specifying 'both'.
Ik spreek beide talen vloeiend.
I speak both languages fluently.
Here, 'beide' is used as a pronoun, replacing the noun it refers to, which implies 'both people' in this case.