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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