obligatory
UK /əˈblɪɡ.ə.t(ə)ɹi/ · US /əˈblɪɡ.ə.tɔ.ɹi/ adjective
- adjective Imposing obligation, legally, morally, or otherwise; binding; mandatory. “an obligatory promise”
- adjective Requiring a matter or obligation.
Synonyms
Antonyms
Etymology
From Middle English obligatorie, from Latin obligatōrius.
Webster’s 1913
- adjective Binding in law or conscience; imposing duty or obligation; requiring performance or forbearance of some act; --often followed by on or upon; as, obedience is obligatory on a soldier.
Etymology [L. obligatorius: cf.F. obligatoire.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “obligatory”, CC BY-SA 4.0. Details