This is the 292nd most frequent Romanian word.
proiectul
"The project."
This sentence uses 'proiectul' as the definite form for 'proiect,' meaning 'the project.' Here it is used as a subject.
Proiectul este foarte interesant.
The project is very interesting.
In this case, 'proiectul' refers to a specific project assigned, functioning as an object of the preposition in the sentence.
Lucrăm la proiectul dat de profesor.
We are working on the project given by the teacher.
Here, 'proiectul' indicates a completed, definite project, forming the object of the sentence.