Definition of mispunctuate in English:

mispunctuate

Pronunciation /(ˌ)mɪsˈpʌŋ(k)tʃʊeɪt/

verb

  • with object To punctuate (a sentence, etc.) incorrectly.

Origin

Mid 19th century; earliest use found in Edgar Allan Poe (1809–1849), fiction writer, poet, and critic. From mis- + punctuate.