: not conducted in the manner of a gentleman: not noble or chivalrous
ungentlemanly behavior
I believed it ungentlemanly to inquire in advance what we were about to eat … Michael Kenyon
Example Sentences
Recent Examples on the WebPresident Xi Jinping is conducting his disputes with the U.S. in an ungentlemanly manner. Michael Brendan Dougherty, National Review, 16 Aug. 2019