optional (a)

a00847399

type a
lex_filenum 00
def possible but not necessary
def left to personal choice
Outgoing links
Antonym optional → obligatory
Similar to elective; ex gratia; facultative; nonmandatory, nonobligatory
Incoming links
Similar to elective; ex gratia; facultative; nonmandatory, nonobligatory
Antonym obligatory → optional
Derived from adjective optionally → optional

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