If he tells an unnatural story, that impeaches him.
If he tells an improbable story, that impeaches him.
Any designation of its source which avows the mischief to have come primarily from the mind of little John Stiles, by necessary implication impeaches Mr. Morse's powers of perception and observation, and the worth of his testimony.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "impeaches" in a variety of sentences. We hope that you will now be able to make sentences using this word.
