Words similar to unsound

Example sentences for: unsound

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

22, 2004), in which he also said he did not tell the Principals Committee his reasons for canceling the operation because there was no reason for the principals to hear details of an unsound plan.
Whenever Prudie hears rigid, unsound, and ungenerous dictums, for some reason she automatically thinks of Jimmy Swaggart.
Some think its mathematical foundations are unsound, and that it explains nonexistent trends.
Wolf the complaining propagandist is flaky, but not unsound.