Having the power of compulsion; constraining (adjective)
Something that is compulsory or required. (noun)
Examples of word compulsory
The term compulsory, if it has any meaning at all, means that the person has no choice about it.
So I was annoyed but not surprised to learn this week that: "State school pupils are set to be taught Islamic traditions and values in compulsory citizenship lessons."
It recommends that governmental control over syllabuses be reduced and that the topics covered in compulsory mathematics education be made more rigorous, to encourage independent thinking and problem solving.
And no wonder, when you consider just what is involved in compulsory school mathematics.
After all, Israel has a rare commodity: more or less its entire young female population spends some time in compulsory military service.