English dictionary
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English adjective: optional | |||
| 1. | optional possible but not necessary; left to personal choice | ||
| Similar | elective, ex gratia, facultative, nonmandatory, nonobligatory | ||
| Antonyms | obligatory | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk