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Definition of Optional
1. Adjective. Possible but not necessary; left to personal choice.
Definition of Optional
1. a. Involving an option; depending on the exercise of an option; left to one's discretion or choice; not compulsory; as, optional studies; it is optional with you to go or stay.
Definition of Optional
1. an elective course of study [n -S]
Lexicographical Neighbors of Optional
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