1. done, made, brought about, undertaken, etc., of one's own accord or by free choice: a voluntary contribution.
2. of, relating to, or acting in accord with the will: voluntary cooperation.
3. of, relating to, or depending on voluntary action: voluntary hospitals.
4. Law. acting or done without compulsion or obligation. done by intention, and not by accident: voluntary manslaughter. made without valuable consideration: a voluntary settlement.
5. Physiology. subjec
"payments can be voluntary in senses."
"uniforms can be voluntary in plants."
"unemployments can be voluntary in senses."
"understandings can be voluntary on parts."
"taxes can be voluntary for communities."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.