Home › Words › U › underpunctuateunderpunctuateunderpunctuate means to punctuate insufficiently.EtymologyFrom under- + punctuate.verbTo punctuate insufficiently.e.g.“Do not overpunctuate; it is much easier than to underpunctuate. The general tendency nowadays is to make punctuation less copious than formerly.” — 1893, John F[ranklin] Genung, “The Sentence”, in Outlines of Rhetoric Embodied in Rules, Illustrative Examples, and a Progressive Course of Prose Composition, Boston, Mass.; New York, N.Y.; Chicago, IDefinitions & examples from Wiktionary (CC BY-SA 3.0).