obligatory

adjective
/əˈblɪɡ.ə.tɔː.ri/

Meaning

Required by a legal, moral, or other rule; compulsory.
required by law or rules; compulsory; mandatory
Required by law, rule, or custom; mandatory.

Example Sentences

Wearing a seatbelt is obligatory in most countries.

Attendance at the meeting is obligatory for all employees.

Wearing a helmet is obligatory when riding a motorcycle.

Synonyms

mandatory, required, compulsory, necessary, binding, enforced
Entry 1
mandatory, required, compulsory
Entry 2
mandatory, compulsory, required, necessary
Entry 3
mandatory, compulsory, required, binding, enforced

Antonyms

optional, voluntary, unnecessary, discretionary, elective
Entry 1
optional, voluntary, unnecessary
Entry 2
optional, voluntary, discretionary, elective
Entry 3
optional, voluntary, elective

Collocations

obligatory service, obligatory attendance, obligatory requirement, obligatory rule, obligatory duty, obligatory course
Entry 2
obligatory service, obligatory attendance, obligatory requirement
Entry 3
obligatory rule, obligatory duty, obligatory course, obligatory requirement

Related Vocabularies

free from error; accurate
containing salt; salty; relating to salt water
not active; not working; dormant; idle
Skilled at gaining an advantage, especially by being clever or deceitful.
Diligent, thorough, and extremely attentive to details; having moral integrity.
extremely offensive or insulting; involving physical or verbal harm

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