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:

Unless you are comparing rural Chinese diets with the diets of Americans with the same ethnic background, these comparisons are largely invalid.
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.
Some plans sound like they've been hatched by sitcom writers: One woman said that she would divorce her invalid husband to keep her son out of the army.
The use of residence as a surrogate for exposure clearly is invalid whenever causative exposures largely occur outside of the home - for this study "outside of the home" means in a different ZIP code zone.
That assumption becomes invalid if highly skilled people can hide their abilities in an attempt to defraud the system.