compulsorily
Definitions
In a manner that must be done; by requirement or obligation.
In a way that is enforced by law, rule, or authority.
Examples
All employees are required to attend the safety seminar compulsorily.
In some countries, citizens must compulsorily serve in the military for a set period.
Synonyms
mandatorily obligatorily necessarily requiredly by force under duress unavoidably
Antonyms
optionally voluntarily freely discretionarily electively willingly spontaneously