Questions about example sentences with, and the definition and usage of "Obligatory"

A: Something you have to do

A:

It is obligatory upon entry to provide your name and address.

The neighbours are having their obligatory weekend shouting match.

I understand the need for efficiency, but is rudeness also obligatory?

A: Wearing your seatbelt is obligatory.

Saying thank you is obligatory.

Doing your homework is obligatory.

It is obligatory to stop at stop signs.

It is obligatory to be quiet in a movie theater.

It is obligatory to wear shoes in the museum.

A: These are synonyms, which means they are exactly or nearly the same. I feel that “mandatory” is more frequently used. I hear “compulsory” and “obligatory” less often.

There ARE subtle differences, but I think most native speakers will have a debate about what those are, so I’m not going to list them here 😂

A: Mandatory means it is compulsory, while Obligatory means it is by choice

A: @fifilalar: The rule is obligatory. You are obligated to follow the rule.

A: They both mean that something is necessary. I suppose things that are compulsory are "more necessary" than things that are obligatory.

I think obligatory things often have to do with social expectation.
When somebody comes over to you're house, it's obligatory to ask them if they want anything to drink.

Compulsory makes me think of something more official.
Where I live, when you're in high school, it's compulsory to do community service.

A: There’s usually some slight difference between US and UK. So I said both. Though either will be understood anywhere

A: Check the question to view the answer