Words similar to voluntary

Example sentences for: voluntary

How can you use “voluntary” in a sentence? Here are some example sentences to help you improve your vocabulary:

A key reason: The Fifth Amendment does not protect self-incriminating diaries because diary writing is voluntary, not compelled by the court.
Hence, the system is well suited to evaluate a variety of multi-emission strategies that are driven by price incentives as well as R&D programs, voluntary initiatives, and cap and trade policies.
World nuclear powers are scrambling to defuse the India-Pakistan arms race . After Pakistan reportedly detonated six bombs in retaliation for the five detonated by India last month, Indian political leaders 1) suggested India would resume its "voluntary moratorium" on nuclear tests; 2) proposed a no-first-use treaty with Pakistan; and 3) urged talks on a "nondiscriminatory" world treaty to limit the nuclear programs of all nuclear powers.
Many natural experiments are going on all the time as antibiotics and probiotics are administered and people find all sorts of different ways, voluntary or otherwise, to establish migration links between their gut ecologies.
Even though 90 percent of all new bunk beds sold conform to the voluntary standards, Newsday reported last month that the commission's staff is now recommending mandatory standards.