Definition of "severely"

After the first day they left her severely alone, their plea to their husbands, her uncompromising independence.

1902, Barbara Baynton, edited by Sally Krimmer and Alan Lawson, Bush Studies (Portable Australian Authors: Barbara Baynton), St Lucia: University of Queensland Press, published 1980, page 15

Meanwhile the Christian Church from these speculations has kept itself severely apart - as of course representing a unique and divine revelation little concerned or interested in such heathenisms[.]

1920, Edward Carpenter, Pagan and Christian Creeds, New York: Harcourt, Brace and Co., published 1921, page 11