obligatory

Definitions


[əˈblɪɡət(ə)ri], (Adjective)

Definitions:
- required by a legal, moral, or other rule; compulsory
(e.g: use of seat belts in cars is now obligatory)


Phrases:

Origin:
late Middle English: from late Latin obligatorius, from Latin obligat- ‘obliged’, from the verb obligare (see oblige)




definition by Oxford Dictionaries