- required as a matter of obligation; mandatory: A reply is desirable but not obligatory.
- incumbent or compulsory (usually followed by on or upon): duties obligatory on all.
- imposing moral or legal obligation; binding: an obligatory promise.
- creating or recording an obligation, as a document.
Origin of obligatory
Synonyms for obligatory
Antonyms for obligatory
Examples from the Web for obligatorily
Historical Examples of obligatorily
It is true that the chief of the clan never eats the totem ritually and obligatorily.The Elementary Forms of the Religious Life
- required to be done, obtained, possessed, etc
- of the nature of or constituting an obligation
Word Origin and History for obligatorily
c.1400, from Old French obligatoire "creating an obligation, obligatory," and directly from Late Latin obligatorius "binding," from obligat-, past participle stem of obligare (see oblige).