adverb.
In an austere manner; severely; rigidly; sternly.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adverb.
in an austere fashion
Word Usage
"The staging, by Louis Tyrrell, is finely conceived and executed, and Kent Goetz has designed the "austerely furnished" apartment specified by Mr. Hollinger with perfect taste."