Words similar to invalid

Example sentences for: invalid

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

For WET test data submitted under NPDES permits, all required test conditions must be met or the test is considered invalid and must be repeated with a newly collected sample.
All invalid tests must be repeated with a newly collected sample.
Example3.xml (invalid structure)
That part of the will was declared invalid by a judge, and the interested parties, not wishing an extensive romp in the courts, agreed to a compromise whereby the sum of ¥8,300 was set aside for the development of the new alphabet Shaw called for and for the publication in it of Androcles and the Lion . (Not utterly irrelevant here are these words on page 32 of Shaw's Everybody's Political What's What?
, invalid tests, reference toxicant test results outside of control chart limits, reduced health of organism cultures, or increased within-test variability) have been identified in testing.