Able to be done without; able to be expended; easily replaced.
Subject to dispensation; possible to relax, exempt from, or annul.
Capable of being dispensed; distributable.
Not essential to be taken in as part of an organism's diet, as it can be synthesized de novo.
Capable of being washed without being damaged; especially by a specified method, for example machine-washable.
Something that can be washed without being damaged.