obligatory
UK /əˈblɪɡ.ə.t(ə)ɹi/ US /əˈblɪɡ.ə.tɔ.ɹi/
adj 2
Definitions
adj
1
Imposing obligation, legally, morally, or otherwise; binding; mandatory.
an obligatory promise
[…] if he speak the words of an oath in a strange language, thinking they signify something else, or if he spake in his sleep, or deliration, or distraction, it is no oath, and so not obligatory.
2
Requiring a matter or obligation.
Your note
not saved0 chars