obligation
US /ˌɑː.bləˈɡeɪ.ʃən/
UK /ˌɑː.bləˈɡeɪ.ʃən/

1.
obbligo, dovere
an act or course of action to which a person is morally or legally bound; a duty or commitment
:
•
He has a moral obligation to help his family.
Ha l'obbligo morale di aiutare la sua famiglia.
•
Paying taxes is a legal obligation.
Pagare le tasse è un obbligo legale.
2.
obbligo, vincolo
the condition of being morally or legally bound to do something
:
•
He is under no obligation to tell them anything.
Non ha alcun obbligo di dire loro nulla.
•
The company is under a contractual obligation to deliver the goods by Friday.
L'azienda ha l'obbligo contrattuale di consegnare la merce entro venerdì.