compulsory
adjective as in strong fondness
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Example Sentences
Example:Donors can contribute to the charity on a voluntary basis without any obligations.
Definition:Done of one's own free will, without being required to do so.
From voluntary
Example:Participants can choose to take an optional workshop session.
Definition:To be chosen or not chosen; not required or obligatory.
From optional
Example:The artists used involuntary movements to create their unique sculptures.
Definition:Done or brought about without one's control or knowledge; not by choice.
From involuntary
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