misdate

verb

mis·​date ˌmis-ˈdāt 

misdated; misdating

transitive verb

: to date (something) wrongly: such as

a

: to note down, record, or mark (something) with an incorrect date

She said she was taking narcotic pain medications at the time and that this led to her misdating the form.

—Amy Karon

b

: to incorrectly determine the period of time to which (something) belongs

… he misdates the Second Great Awakening, mistakes Puritans for Pilgrims …

—Randall Balmer

Examples of misdate in a Sentence

Recent Examples on the Web

Someone had misdated the letters as originating from the 1520s and mistakenly cataloged the content as pertaining to Italy. —Emilie Le Beau Lucchesi, Discover Magazine, 20 Mar. 2023

Word History

First Known Use

1577, in the meaning defined above