Obligatory

əˈblɪɡəˌtɔːri

Meaning & Definition

adjective
Required by obligation or necessity; mandatory.
Attending the safety training session is obligatory for all new employees.
Having an obligation or duty.
It is obligatory for the committee members to submit their reports on time.
That which must be done; essential.
In many cultures, it is obligatory to offer guests refreshments.

Etymology

From Latin 'obligatorius', from 'obligare', meaning 'to bind'.

Common Phrases and Expressions

obligatory attendance:
Attendance that is mandatory for participants.
obligatory reading:
Books or materials that must be read according to the curriculum.
obligatory smile:
A smile that is expected in a situation, even if not genuine.

Related Words

Slang Meanings

A must-do
Going to the meeting was a total must-do for everyone.
Non-negotiable
Bringing snacks to the movie night is non-negotiable.