[kəmˈpʌls(ə)ri], (Adjective)

Definitions:
- required by law or a rule; obligatory
(e.g: compulsory military service)


Phrases:

Origin:
early 16th century (as a noun denoting a legal mandate which had to be obeyed): from medieval Latin compulsorius, from compuls- ‘driven, forced’, from the verb compellere (see compel)