Every able-bodied public school boy and under-graduate of military age has joined the colours.
She flirts with him all through the four years of his under-graduate course.
In my under-graduate days at Cambridge, the proneness of "classical men" to commit the blunder in question was proverbial.
The result of this was that, during his career as an under-graduate, he neglected all the opportunities for geological study.
It is a lamentable fact that an Oxford under-graduate does not invariably look the gentleman.
I did what even in my under-graduate days was rarely my habit—I drank till I was considerably excited.
Occasionally a word of admonition, but gently expressed, as an Oxford under-graduate might have expressed it, or master of arts.