| So, too, the neoconservatives are trying to fend off critics by assassinating their character and impugning their motives. |
| They have also attacked the professor personally by impugning his motives and accusing him of opportunism. |
| No evidence was to be called for the defence impugning the complainant's reliability. |
| Instead, the government concentrated on impugning his motives. |
| Publishing would leave me wide open to credible allegations that I was motivated by revenge, thus impugning my professional integrity. |
| Less attentive listeners may have made the easy mistake that he was impugning Dr Luke's reputableness or his seniority. |
