overstate

A source close to Olbermann called the characterization of the incident "a gross overstatement."

And here it behoves a loyal and grateful disciple to guard himself sedulously against the peril of overstatement.

Johnson, on hearing this from Boswell, remarked that it must be an overstatement.

He alone, faultless in the balance of his exquisite vision, was saved quite from this danger of overstatement.

He wished his answer to be not an overstatement, but the exact truth.

To assert the contrary is to weaken one's case by overstatement.