Meaning & use

mandatory

adjective·Everyday

Required by law, rule, or authority, and therefore not optional or left to personal choice.

See it in a sentence

Wearing a seatbelt is mandatory for every passenger in the front seat of the car.

The new employee handbook made safety training mandatory for all warehouse staff.

A note on using this word

Mandatory implies enforcement by a rule or authority, whereas required can also arise from practical necessity rather than a formal rule.

Words with a similar meaning

compulsoryobligatory

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Words with an opposite meaning

optionalvoluntary

Make it your own

Write a sentence using “mandatory”, then compare your use with the examples above.

Your draft stays on this page and is not sent anywhere.