This is the 895th most frequent Azerbaijani word.
qəsdən
"Qəsdən" means "deliberately" or "intentionally" in English.
In this sentence, 'qəsdən' is used to convey that the action of breaking the cup was done intentionally and not accidentally.
O, fincanı qəsdən sındırdı.
He intentionally broke the cup.
Here, 'qəsdən' is employed to negate intentionality, clarifying that the speaker's behavior was not purposeful.
Mən qəsdən belə davranmadım.
I did not behave like this intentionally.
In this context, 'qəsdən' indicates that the breaking of rules was a deliberate act.