Interpretations are given. choose the interpretation that is most appropriate I knew that they were economical with the the truth. This means that they

Answer Details

The most appropriate interpretation of the sentence "I knew that they were economical with the truth" is that they knew more than they were prepared to say. The phrase "economical with the truth" is an idiom that means to not tell the whole truth or to be deliberately vague or evasive in what one says. Therefore, the sentence suggests that the speaker believes that the people in question knew more about something than they were willing to reveal or admit.