This is the 2559th most frequent German word.
weniger
"Less" or "fewer."
Here, 'weniger' is used to compare quantities, indicating a smaller amount of books.
Ich habe weniger Bücher als du.
I have fewer books than you.
In this sentence, 'weniger' suggests a reduction in consumption, implying a smaller intake.
Wir sollten weniger Zucker konsumieren.
We should consume less sugar.
In this phrase, 'weniger' is applied to an adjective (spannend), producing a comparative meaning indicating a lesser degree.