This is the 3524th most frequent German word.
leichtigkeit
"Leichtigkeit" means "lightness" or "ease" in English.
The word 'Leichtigkeit' is used here to denote the grace and easiness of someone's physical movements, emphasizing a lack of strain or difficulty.
Ich bewundere die Leichtigkeit seiner Bewegungen.
I admire the ease of his movements.
In this sentence, 'Leichtigkeit' refers to the effortless manner in which an intellectually challenging task was completed.
Mit einer erstaunlichen Leichtigkeit löste sie das schwierige Rätsel.
With remarkable ease, she solved the difficult puzzle.
Here, 'Leichtigkeit' is used more metaphorically to express the pleasant and carefree qualities associated with the season of summer.