This is the 868th most frequent Hungarian word.
ingyen
Free of charge.
Here, 'ingyen' is used as an adverb to indicate that something is without cost.
Az étel ingyen volt.
The food was free.
In this sentence, 'ingyen' functions descriptively to emphasize the costlessness of an offer.
Ingyen belépés mindenki számára.
Free entry for everyone.
'Ingyen' is used to clarify the nature of an action, specifying that it incurs no expense.