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obligatory

ob·lig·a·to·ry

obligatory

 
pronunciation:
blI g tor i [or] a blih g tor i
features:
Word Parts
part of speech: adjective
definition 1: binding in a moral or legal sense.
Basic care of one's child is considered obligatory by the law.
synonyms:
binding, compulsory, mandatory
similar words:
necessary, required
definition 2: required; compulsory.
Military service is obligatory in quite a number of countries.Physical education class is recommended but not obligatory for fourth year students.
synonyms:
compulsory, mandatory, required
antonyms:
optional, voluntary
similar words:
essential, involuntary, necessary, requisite
Word Parts
The word obligatory contains the following part:
-ory, -atory2 Latin adjective-forming suffix that means serving to, pertaining to
Show wordsHide wordsMore about this word part:
The suffix -ory , -atory2 attaches to Latin verb roots to form adjectives. Adjectives ending in "-atory " tend to have corresponding verbs ending in "-ate" (congratulatory: congratulate).