душвор: difficult, hard
It is difficult to give an answer to this question.
Географияро бе харита омӯхтан душвор аст.
It is difficult to study geography without maps.
Antonym: осон (easy)
Add the letter ӣ to change the word from an adjective to a noun –
душворфаҳм: difficult to understand
душворгузaр: difficult to cross (as in a bridge, or a stretch of bad road)