the GNU version of the Collaborative International Dictionary of English
ad. In a stiff manner.
The Century Dictionary and Cyclopedia
In a stiff manner, in any sense of the word stiff.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. in a stiff manner
ad. in a rigid manner
Word Usage
"It would appear that only the Governor-General, who has a personal connection with Haiti and who has just lost friends and relatives there, is expected to remain stiffly aloof, waving a maple-leaf flag."