1. in a manner that is required by law, rule, or duty; necessarily; mandatorily
Attendance at the meeting is obligatorily required for all employees.
A presença na reunião é obrigatoriamente exigida de todos os funcionários.
2. as a binding or compulsory matter; without choice or alternative
Students must obligatorily submit their assignments by Friday.
Os alunos devem obrigatoriamente entregar seus trabalhos até sexta-feira.