pseunonymous
adj.β Β«Known only by the false name of Mark Brown, he became a “pseunonymous” witnessβa phrase coined at the start of the trial. The jury, barristers and the judge all heard his real voice from the witness stand but a distorted voice was fed into the soundproof defendantsβ dock and into a separate annex court room where the public gallery and the press were stationed.Β» ββMurder trial sets legal precedent” BBC News Mar. 18, 2005. (source: Double-Tongued Dictionary)