This is the 1746th most frequent Polish word.
tragicznego
"Tragicznego" means "tragic" (genitive singular or accusative singular form in Polish).
In this context, 'tragicznego' is used as an adjective in the genitive case, describing the noun 'wypadek' (accident). It describes the accident as being tragic.
Byliśmy świadkami tragicznego wypadku.
We witnessed a tragic accident.
Here, 'tragicznego' is an adjective in the genitive case, qualifying the noun 'rozstania' (breakup). It conveys the emotional gravity of the breakup.
Pamiętam smak tragicznego rozstania.
I remember the taste of a tragic breakup.
In this sentence, 'tragicznego' serves as an adjective in the genitive case, modifying the noun 'bohatera' (hero), indicating the heroic but unfortunate attributes of the figure described.