This is the 11814th most frequent Turkish word.
gerekirdi
"Would be necessary" or "was necessary."
Gerekirdi is used to express a past obligation or necessity that was not fulfilled.
Daha dikkatli olmam gerekirdi.
I should have been more careful.
Gerekirdi indicates a past necessity to do something that did not happen.
Onunla konuşmam gerekirdi ama zamanım yoktu.
I should have talked to him, but I didn't have time.
Gerekirdi here reflects a past action that was necessary or advisable but was not performed.