- The definition of a mensch is a person who is decent, honest and upstanding.
An all-around good guy who can be trusted and who does good things is an example of a mensch.
mensch definition by Webster's New World
Origin: Yiddish ; from German person ; from Old High German mannisco, origin, originally , human ; from mann, man plush isc-, -ish
mensch definition by American Heritage Dictionary
or menshnoun pl. mensch·es or mensch·en Informal
Origin: Yiddish, human being, mensch, from Middle High German, human being, from Old High German mennisco; see man-1 in Indo-European roots.