1) The weather forecasts are often unalliable and unreliable.

2) The information provided by that source is unalliable and should be verified.

3) His promises turned out to be unalliable, as he failed to deliver on them.

4) We cannot base our decision on such unalliable evidence.

5) The witness provided unalliable testimony that was later proven false.

6) The machine malfunctioned due to unalliable components.

7) The company's financial statements were found to be unalliable.

8) The results of the experiment were deemed unalliable due to errors in the data collection process.

9) The historiography of that era has been criticized for being unalliable.

10) The contract was deemed unalliable and nullified by the court.