This is the 14621st most frequent Turkish word.
pişman
Regretful.
Here, 'pişman' is used to express a feeling of regret towards a personal decision.
Kararından pişman oldum.
I regretted my decision.
'Pişman' is used as the noun 'pişmanlık' (regret) to describe the feeling resulting from an action.
Yaptığı hatadan dolayı pişmanlık duyuyor.
He feels regret because of the mistake he made.
The word 'pişman' is used in a preventative context, prompting careful consideration to avoid regret.