Misdate \Mis*date"\, v. t. [imp. & p. p. {Misdated}; p. pr. & vb. n. {Misdating}.] 1. To put a false or erroneous date on (a document). --Young. [1913 Webster] 2. To assign an incorrect date to; as, the fall of Troy was misdated by medieval writers. [PJC]
22 Moby Thesaurus words for "misdated": ahead of time, anachronistic, antedated, beforehand, behind time, behindhand, dated, early, foredated, late, metachronistic, mistimed, out of date, out of season, overdue, parachronistic, past due, postdated, prochronistic, tardy, unpunctual, unseasonable