This is the 11113th most frequent Catalan word.
suficientment
"Enough" or "sufficiently."
Here, 'suficientment' is used as an adverb modifying the adjective 'difícil', expressing the degree to which the exam was challenging.
L'examen era suficientment difícil per posar a prova els estudiants.
The exam was sufficiently challenging to test the students.
In this case, 'suficientment' functions as an adverb describing the extent of her studying, indicating adequacy to achieve the stated goal.
Ha estudiat suficientment per aprovar l'examen.
She has studied sufficiently to pass the exam.
Here, 'suficientment' serves to qualify the adjective 'detallat', specifying that the level of detail is not adequate for the intended purpose.