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bn:00107469a
Adjective Concept
EN
nonmandatory  nonobligatory
EN
Not required by rule or law WordNet 3.0
Definitions
Relations
Sources
EN
Not required by rule or law WordNet 3.0 & Open English WordNet
SIMILAR
optional
WordNet 3.0 & Open English WordNet
EN
nonmandatory, nonobligatory

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