Mark 14:56 Commentary - Whedon's Commentary on the Old and New Testaments
56. Agreed not together The original Greek is by many understood to mean that the witness or testimony was not adequate, that is, sufficient to make out a criminal case. As the variations between the testimonies do not seem to be essential, this is probably the true meaning.
Consult other comments:
Mark 14:56 - The Greek Testament
Mark 14:56 - The Cambridge Bible for Schools and Colleges
Mark 14:56 - Companion Bible Notes, Appendices and Graphics
Mark 14:56 - Ellicott's Commentary for English Readers (Old and New Testaments)
Mark 14:56 - The Expositor’s Greek Testament by Robertson
Mark 14:56 - Garner-Howes Baptist Commentary
Mark 14:56 - John Gill's Exposition of the Entire Bible
Mark 14:56 - Henry Alford's Greek Testament
Mark 14:56 - Jamieson, Fausset and Brown's Commentary Critical and Explanatory on the Whole Bible
Mark 14:56 - Lightfoot Commentary Gospels
Mark 14:56 - Robertson's Word Pictures in the New Testament
Mark 14:56 - A Popular Commentary on the New Testament
Mark 14:56 - John Trapp's Complete Commentary (Old and New Testaments)
Mark 14:56 - The Treasury of Scripture Knowledge
Mark 14:56 - Vincent's Word Studies in the New Testament
Mark 14:56 - Whedon's Commentary on the Old and New Testaments
Whedon's Commentary on the Old and New Testaments

Daniel D. Whedon (1808-1885) was a prominent university professor, theologian, and author. He served as Professor of Ancient Languages at Wesleyan University in Connecticut; as Professor of Rhetoric at the University of Michigan; and as editor of the Methodist Quarterly Review from 1856 to1884. He authored numerous books including Commentary on the New Testament (New York: Carlton & Porter, 1860); Commentary on the Old Testament (New York: Nelson & Phillips, 1873); What is Arminianism? (Toronto: W. Briggs, 1879); and Essays, Reviews, and Discourses (New York: Phillips & Hunt, 1887).